Differential (Click to cross reference) abdominal cramps abdominal distention abdominal migraine abdominal reflex, absent abdominal x-ray abducens nerve abducens nerve paralysis abducens nerve paralysis, bilateral abducens nerve paralysis, children abducens nerve paralysis, recurrent abortion, spontaneous abscess, intracerebral abscess, intracerebral, treatment of abscess, intracranial abscess, intracranial-neonatal abscess, retropharyngeal abscess, sphenoid sinus abscess, spinal cord abulia acalculia acanthocytosis accommodation accomodation, abnormal acetaminophen acetazolamide acetylcholine acetylcholine receptor antibody acetylcholinesterase acetylcholinesterase deficiency acid maltase deficiency aciduria acoustic neurinoma acquired immunodeficiency syndrome acquired immunodeficiency syndrome dementia complex acquired immunodeficiency syndrome myelopathy acquired immunodeficiency syndrome, congenital acquired immunodeficiency syndrome, infants and children acquired immunodeficiency syndrome-related complex acral sensory symptoms acrocyanosis acromegaly ACTH activated protein C resistance activities of daily living scale acute abdomen acute ataxia of childhood acute cerebellar ataxia acute disseminated encephalomyelitis acute disseminated encephalomyelitis, multiphasic acute disseminated encephalomyelitis, relapsing acute necrotizing encephalitis acyclovir addiction, heroin addiction, heroin-neurologic complications with Addison's disease adolescent medicine adoption adrenal crisis, acute adrenal mass adrenoleukodystrophy adrenoleukodystrophy, adult onset adrenoleukodystrophy, carrier adrenomyeloneuropathy advances in neurology adverse drug reaction aerobic exercise afebrile affect, flat affect, inappropriate affective disorders Afipia felis Africa agenesis of corpus callosum ageusia aggression agitation agitation, childhood, acute agnosia, visual Aicardi-Goutieres syndrome Aicardi's syndrome air travel air-bag inflation airway obstruction akinetic mute akinetic mutism assoc.with hydrocephalus albendazole alcohol alcohol injection alcohol intolerance alcohol, neurologic complications with alcoholic withdrawal states, DT's, convulsions, etc. alcoholism Aldrich's syndrome Alexanders disease alexia alexia with agraphia algorithm alkalosis alkalosis, respiratory allergic angiitis allergy allodynia alopecia alpha agonists alpha galactosidase A deficiency alpha-fetoprotein altered states of consciousness alternating hemiplegia alternating hemiplegia of childhood alternating rapid movement alternative medicine aluminum alveolar hypoventilation Alzheimer's disease Alzheimer's disease, driving with Alzheimer's disease, familial Alzheimer's disease, visual variant amantadine amaurosis fugax amaurosis fugax, unilateral vs.bilateral amblyopia amenorrhea aminoacidopathies aminoacidurias amitriptyline ammonia amnesia amniocentesis amniotic fluid, infection AMPA receptor antibodies amphetamines ampicillin Amplatzer device amyloid amyloid angiopathy, cerebral amyloid angiopathy, cerebral, iatrogenic amyloid angiopathy, hereditary cystatin C amyloidosis amyotrophic chorea-acanthocytosis amyotrophic lateral sclerosis amyotrophic lateral sclerosis, Parkinson-dementia-complex amyotrophic lateral sclerosis, treatment of ANA analgesic overuse ANA-negative systemic lupus erythematosus anaplastic large cell lymphoma anatomy of anemia anemia, aplastic anemia, Fanconi's anemia, megaloblastic anencephaly anergy anesthesia, general aneurysm aneurysm, abdominal aortic aneurysm, anterior communicating aneurysm, asymptomatic aneurysm, berry aneurysm, cavernous sinus aneurysm, cavernous sinus-bilateral aneurysm, children aneurysm, fusiform aneurysm, internal carotid artery aneurysm, intracranial aneurysm, intracranial, delayed cerebral ischemia with aneurysm, intracranial, detection aneurysm, intracranial, familial aneurysm, intracranial, natural history aneurysm, intracranial, screening for aneurysm, intracranial, treatment of aneurysm, middle cerebral artery aneurysm, multiple intracranial aneurysm, post traumatic aneurysm, ruptured aneurysm, thoracic aortic aneurysm, unruptured aneurysm, vertebral basilar system Angelman syndrome angiitis angiitis, granulomatous of CNS angiitis, isolated of CNS angiitis, isolated of CNS, tumefactive angina pectoris angiofibroma, facial angiography, cerebral, beaded vessels angiography, cerebral angiography, cerebral, false negative angiography, cerebral, indications angiography, cerebral, negative angiography, cerebral, serial angiography, neurologic complications with angiography, posterior fossa angiography, spinal angiomyolipomas angiotensin-converting enzyme anhidrosis animal bite animal exposure aniridia anisocoria ankle reflex, absent ankle, swelling of anorectics anorexia anorexia nervosa anosmia anoxia anterior cerebral artery, occlusion of anterior cerebral artery, stenosis of anterior choroidal artery anterior horn cell disease anterior spinal artery infarction anti basal ganglia antibodies anti DNA test anti double-stranded DNA anti GQ1b IgG antibody anti Hu antibody anti MAG antibodies antibiotic prophylaxis antibiotics antibiotics, neurologic complications with antibodies to measles antibodies to voltage-gated calcium channels anticardiolipin antibodies anticholesterolemic agents in treatment of C.V.D. anticholinergic drugs anticholinergic drugs, side effects of anticholinergic poisoning anticoagulant, complications of anticoagulant, restarting anticoagulant, treatment anticoagulant, treatment in CVD anticonvulsants anticonvulsants, bioavailability anticonvulsants, blood level determination of anticonvulsants, brand name anticonvulsants, buccal administration anticonvulsants, cognitive function with anticonvulsants, compliance anticonvulsants, discontinuation in seizure-free epileptics anticonvulsants, effectiveness anticonvulsants, generic anticonvulsants, mechanism of action of anticonvulsants, parenteral administration anticonvulsants, pharmacokinetics anticonvulsants, rectal administration anticonvulsants, selection of anticonvulsants, subtherapeutic anticonvulsants, teratogenicity of anticonvulsants, untoward effects of antidepressant anti-dopamine 2 receptor antibody antiphospholipid antibodies antiphospholipid antibody syndrome antiretinal antibodies antispasticity drugs antistreptolysin titer antithrombin III deficiency antithyroid antibodies antitoxin antivenom antiviral agents anxiety aorta, abnormal aorta, occlusion aortic arch study aortic stenosis aortic valve strands aortic valve, bicuspid aortic valve, insufficiency aortic valve, lesion of aortic valve, stenosis aortic wall, thickened aortitis Apgar score aphasia aphasia, children aphasia, classification of aphasia, recovery from apnea apnea, primary central apomorphine apraxia apraxia of eye movements apraxia of eyelid opening apraxia, constructional apraxia, speech aqueduct of Sylvius, obstruction aqueduct of Sylvius, stenosis aqueductal stenosis arachnodactyly arachnoiditis arachnoiditis, opticochiasmatic arcuate scotoma, differential diagnosis of area postrema areflexia Argyll Robertson pupil arm weakness Arnold Chiari malformation arrhythmia, cardiac arterial dissection arterial dissection, aorta arterial dissection, aorta, cerebral symptoms with arterial dissection, asymptomatic arterial dissection, basilar arterial dissection, bilateral arterial dissection, carotid arterial dissection, cerebral arterial dissection, childhood arterial dissection, intracranial arterial dissection, multiple arterial dissection, precipitating events arterial dissection, recurrent arterial dissection, renal artery arterial dissection, ruptured arterial dissection, spontaneous arterial dissection, traumatic arterial dissection, vertebral arterialization of conjunctival vessels arteriopathy arteriopathy, mediolytic arteriopathy, transient arteriovenous malformation arteriovenous malformation, brainstem arteriovenous malformation, cerebral arteriovenous malformation, cerebral, ruptured arteriovenous malformation, cerebral, spontaneous occlusion arteriovenous malformation, cerebral, unruptured arteriovenous malformation, multiple arteriovenous malformation, pulmonary arteritides arteritis, temporal artery of Adamkiewicz arthralgia arthritis arthrogryposis multiplex arylsulfatase A ascending paralysis ascites Asia Asians asparginase aspartame aspartate aminotransferase Asperger's syndrome aspergillosis aspiration aspirin asterixis asthma asthma, poliomyelitis-like syndrome with astrocytoma asymptomatic ataxia ataxia telangiectasia ataxia, acute onset ataxia, cerebellar ataxia, congenital ataxia, hereditary ataxia, paroxysmal ataxia, progressive ataxia, truncal ataxic gait atherosclerosis, accelerated atherosclerosis, generalized atherosclerosis, premature athetosis athetosis, causes of atlanto axial dislocation, congenital atlanto-axial subluxation atomic bomb atomoxetine ATP1A3 gene atrial fibrillation atrial flutter atrial myxoma atrial paralysis atrial septal aneurysm atrial septal defect atrioventricular block atrioventricular septal defect attention deficit disorder with hyperactivity attention deficit disorder with hyperactivity, adult attention span atypical audiogram audiologic test to localize site of pathology audiology auditory dominance auditory evoked brainstem potentials auditory processing, impaired aura autism autism, screening for autistic behavior autoantibodies autoimmune basal ganglia encephalitis autoimmune disease autoimmune encephalopathy autoimmune epilepsy automatism, postictal automatisms automobile accidents autonomic dysfunction autonomic nervous system autoregulation, cerebral autosomal rcessive spastic ataxia of Charlevoix-Saguenay axonal degeneration axonal spheroid azidodeoxythymidine B 12 deficiency B12 B12, elevated Babinski sign baclofen bacteremia bacterial endocarditis, neurologic manifestations of bacterial infection bacterial infection, CNS BAL Balint's syndrome ballismus, bilateral barbiturate barbiturate anesthesia barbiturate anesthesia, status epilepticus Barthel index bartonella henselae bartonella quintana basal ganglia basal ganglia, calcification of basal ganglia, degeneration basal ganglia, hemorrhage basal ganglia, hemorrhage, bilateral basal ganglia, infarction basal ganglia, lesion of basal ganglia, lesion, bilateral baseball basilar artery basilar artery migraine basilar artery occlusion basilar impression basketball basophilia basophilic stippling of red blood cells Bassen-Kornzweig syndrome battered child syndrome baylisascariasis BCG vaccination behavior behavior modification behavior, combative behavioral disorder behavioral disorder, acute Behcet's syndrome Behr's optic atrophy Bence Jones protein Benedict's solution test benign congenital hypotonia benign epilepsy of childhood benign essential tremor benign familial neonatal convulsions benign positional vertigo benign sixth nerve palsy in children benzodiazepine beriberi beta adrenergic blocker bicaudate index bicycle injuries bifid uvula bilateral periventricular nodular heterotopia binasal visual field defect binge drinking Bing-Neel syndrome biologic markers biopterin deficiency biotin biotin deficiency biotin deficiency, juvenile form biotinidase deficiency biotin-responsive basal ganglia disease birth injury bitemporal visual field defect blacks bladder dysfunction blepharospasm blind spot, enlarged blindness blindness, children, acute cerebral blindness, congenital blindness, monocular blindness, nutritional blindness, prevention of blindness, sudden blindness, transient blood cultures blood dyscrasias, neurologic findings with blood gases, arterial blood pressure blood pressure, circadian rhythm blood transfusion blood-flow velocity blue rubber bleb nevus syndrome bobble head doll syndrome body image body mass index bone demineralization bone loss bone marrow biopsy bone marrow transplantation bone scanning bone survey border zone hypoperfusion border zone infarct border zone infarct, cortical Borrelia burgdorferi infection botulinum toxin botulism botulism antitoxin botulism immune globulin botulism, infant bowel infarction bowel urgency brachial neuritis brachial plexus brachial plexus injury brachial plexus injury, prognosis of brachial plexus injury, treatment of brachial plexus neuropathy brachial plexus neuropathy, children brachial plexus, lesion of brachycephaly bradycardia bradykinesia brain atrophy brain biopsy brain biopsy, complications of brain biopsy, false negative brain biopsy, indication brain biopsy, stereotaxic brain damage brain development brain purpura brain scan brain scan, abnormal brain transplantation brainstem brainstem, atrophy brainstem, dysfunction brainstem, glioma brainstem, glioma in children brainstem, hematoma brainstem, hemorrhage, primary brainstem, hypoplasia brainstem, infarction of brainstem, injury in New Born brainstem, lesion of brainstem, malformation brainstem, neoplasms of brainstem, syndrome brainstem, vascular malformation of brand name drug Brazil breast feeding breech delivery bromocriptine bronchopulmonary dysplasia Brown Sequard syndrome Brown-Vialetto-Van Laere syndrome Brudzinski's sign Brueghel's syndrome bruising bruit bruit, abdominal bruit, asymptomatic bruit, cranial bruit, orbit bruit, spinal bruit, supraclavicular bruxism bulbar palsy bulbar palsy, acute bulbar palsy, childhood bulimia BUN, elevated buphthalmos burning feet burning feet, differential diagnosis of burning hands burning legs burning paresthesia burst suppression pattern, electroencephalogram cachexia cafe au lait spots caffeine CAG repeats calcarine artery calcification, gyral calcification, heart calcification, intracranial calcification, muscle calcifications, intracranial, punctate calcitonin gene-related peptide receptor blocker calcium antagonist calcium oxalate crystals calculations calf atrophy calf hypertrophy Call-Fleming syndrome caloric testing campylobacter infection cancer, cerebrovascular accident complicating patients with candida albicans canned food capillary blush capillary telangiectasias captopril caput medusae sign CAR syndrome carbamazepine carbon monoxide poisoning carcinoembryonic antigen carcinoma carcinoma of breast carcinoma of lung carcinoma of ovary carcinoma of pancreas carcinoma of stomach cardiac arrest cardiac arrest and resuscitation cardiac surgery cardiac surgery, hypothermia and circulatory arrest for cardiac surgery, neurologic complications with cardiac transplantation cardiac tumor cardiomegaly cardiomyopathy cardiopulmonary bypass cardiovascular disease caregiver caribbean carnitine deficiency carotid angiogram carotid angiogram, indications carotid artery carotid artery artherosclerosis, accelerated carotid artery atherosclerosis carotid artery disease carotid artery disease, asymptomatic carotid artery disease, noninvasive evaluation of carotid artery injury carotid artery ligation carotid artery narrowing carotid artery occlusion, bilateral carotid artery occlusion, intracranial carotid artery occlusion, neck carotid artery occlusion, neck-delayed CVA following carotid artery occlusion, posttraumatic carotid artery plaque carotid artery plaque, rupture of carotid artery redundancy carotid artery stenosis carotid artery stenosis, bilateral carotid artery stenosis, intracranial carotid artery stenosis, symptomatic carotid artery thrombus carotid artery web carotid rete mirabile carotid siphon carotid-siphon stenosis carotidynia carpal tunnel syndrome carpo-pedal spasm case studies cassava cast cat exposure CAT scan CAT scan, abdomen CAT scan, abnormal CAT scan, abscess, cerebral CAT scan, angiography CAT scan, base of skull CAT scan, brain scan compared to CAT scan, brain tumors CAT scan, cerebrovascular disease CAT scan, chest CAT scan, complication with CAT scan, contrast enhanced CAT scan, contrast enhanced, delayed CAT scan, delta sign, empty CAT scan, dementia CAT scan, demyelinating disease CAT scan, dense artery sign CAT scan, disappearing lesion on CAT scan, emission CAT scan, emission, abnormal CAT scan, false negative CAT scan, false positive CAT scan, fluid-blood level CAT scan, gray matter enhancement CAT scan, head injury CAT scan, helical CAT scan, hyperattenuation CAT scan, indications for CAT scan, isodense lesion with acute hemorrhage CAT scan, mass effect on CAT scan, metrizamide CAT scan, migraine CAT scan, myelogram with CAT scan, negative CAT scan, orbits CAT scan, pelvis CAT scan, ring sign CAT scan, serial CAT scan, skull bone changes CAT scan, spinal cord CAT scan, spine CAT scan, venography CAT scan, xenon-enhanced cataplexy cataracts cataracts, congenital catatonia catecholamine cat-scratch disease cauda equina cauda equina, enhancement cauda equina, lesion of caudate nucleus caudate nucleus, atrophy caudate nucleus, hemorrhage of caudate nucleus, infarction caudate nucleus, lesion of cavernous hemangioma cavernous sinus cavernous sinus, expansion cavernous sinus, lesion of cavernous sinus, metastasis to cavernous sinus, syndrome cavernous sinus, thrombosis cavernous sinus, thrombosis, septic cavum Vergae CD30 CD4 counts cefotaxime ceftriaxone cefuroxime celiac disease, adult celiac disease, childhood celiac disease, epilepsy and cerebral calcification cellulitis Central America central cord syndrome central hypoventilation central hypoventilation, congenital central nervous system, infection of central pontine myelinolysis central retinal artery occlusion central retinal vein occlusion cephalosporins cerebellar ataxia, children cerebellar ataxia, children, differential diagnosis of cerebellar ataxia, hereditary cerebellar ataxia, primary cerebellar atrophy, primary cerebellar atrophy, secondary cerebellar degeneration cerebellar disease, eye movement disorder in cerebellar edema cerebellar hemangioma cerebellar hemorrhage cerebellar hypoplasia cerebellar infarction cerebellar lesion cerebellar mutism cerebellar 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extraction cerebral folate deficiency syndrome cerebral gigantism cerebral glucose metabolism cerebral infarction cerebral infarction, hemorrhagic cerebral infarction, small, deep cerebral infarction, subcortical cerebral ischemia cerebral palsy cerebral palsy, associated problems with cerebral palsy, pure ataxic cerebral palsy, risk factors cerebral palsy, work up cerebral perfusioin cerebral vasculature cerebral veins cerebral veins, dilated cerebral venous infarction cerebral venous infarction in premature cerebral venous thrombosis cerebral venous thrombosis, deep cerebral venous thrombosis, etiology cerebral venous thrombosis, recurrent cerebritis cerebro hepato renal syndrome cerebro retinal arterio venous aneurysm cerebrospinal fluid cerebrospinal fluid, abnormal cerebrospinal fluid, biochemical markers of CNS tumors cerebrospinal fluid, cell count cerebrospinal fluid, cell count, normal cerebrospinal fluid, counterimmunoelectrophoresis cerebrospinal fluid, culture negative 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cerebrovascular accident, volume cerebrovascular accident, women cerebrovascular accident, work up for cerebrovascular accident, young adult cerebrovascular disease cerebrovascular disease, cardiovascular disease with cerebrovascular disease, infant and childhood cerebrovascular disease, natural history of cerebrovascular disease, noninvasive evaluation of cerebrovascular disease, predisposed factor in cerebrovascular disease, premature cerebrovascular disease, risk factors in cerebrovascular disease, smoking in cerebrovascular disease, surgical treatment of cerebrovascular disease, treatment of ceruloplasmin, serum cervical spine cervical spine disease cervical spine fracture cervical spine injury cervical spine injury, screening cervical spine manipulation cervical spondylosis cesarean section Chagas'disease channelopathy Charcot-Marie-Tooth Charles Bonnet's syndrome Chediak-Higashi syndrome chelation therapy chemosis chemotherapy, CNS treatment and complications with chemotherapy, intra-arterial chenodeoxycholic acid cherry red spot cherry red spot-myoclonus syndrome chest pain chest x-ray, abnormal chiasmal syndromes chickenpox Chikungunya encephalomyeloradiculitis chilbran skin lesions child abuse children child-restraint device chills China Chinese paralytic syndrome chiropractic manipulation chiropractic manipulation, neurologic complications with chlorambucil chloramphenicol chlordiazepoxide choking cholelithiasis cholestasis cholesterol cholesterol, HDL chorea chorea, causes of chorea, senile chorea, Sydenham's chorea, Sydenham's, recurrent chorea, treatment of choreoathetosis chorioamnionitis chorionic gonadotropin chorioretinitis choroid biopsy choroid plexus choroid plexus, abnormality of choroid plexus, hemorrhage choroid plexus, inflammation choroid plexus, tumor of chromatopsia chromophobe adenoma chromosomal abnormality chromosome 1 chromosome 11 chromosome 14 chromosome 15 chromosome 16 chromosome 19 chromosome 2 chromosome 20 chromosome 5 chromosome 6 chromosome 7 chromosome 8 chronic fatigue syndrome chronic graft versus host disease chronic polyneuritis, children chronic progressive external ophthalmoplegia Chvostek sign cigarette smoking cingulate gyrus circadian rhythm circle of Willis cirrhosis cis-platinum cisterna magna cisterna magna, enlarged cisternogram, radionuclide citrobacter claudication, extremity cleft lip cleft palate Clinical Pathologic Conference(C.P.C.) clivus clonazepam clonidine clonus clopidogrel clot retrieval clozapine clubbing of fingers clubfoot as related to neurologic disease cluster headache cluster, geographic coagulopathy coarctation of aorta Coats syndrome cobalamin C deficiency cobalt toxicity cocaine cocaine, intrauterine exposure cochlear implant Cockayne's syndrome codfish vertebrae coenzyme Q10 coenzyme Q10 deficiency Cogan's syndrome cognition cognitive delay cogwheel rigidty coin lesion on chest X-ray cold intolerance cold temperature coldness collagen vascular disease collapsin response mediator protein 5 IgG collateral circulation Collier's sign colloid cyst colloid cyst of third ventricle coloboma color vision color vision, impaired coma coma, classification of coma, episodic coma, medically induced coma, prognosis of commissurotomy, cerebral comorbidities compliance complicated migraine complications comprehension, impaired compression fracture compression neuropathy compulsivity computers, medicine and concentration, impaired concerta concussion conduction block confusion confusional state, acute congenital bilateral perisylvian syndrome congenital birth defects congenital heart disease congenital heart disease, CNS complications with congenital infection, CNS congenital infection, viral congenital malformation congenital malformation, dilantin therapy causing congenital malformation, non CNS congenital myasthenic syndromes congenital myopathy congenital ocular motor apraxia congestive heart failure conjugate gaze, forced conjunctival biopsy conjunctival engorgement conjunctival injection conjunctival vessel tortuosity conjunctivitis consanguinity constipation contactin associated protein like 2 antibodies contractures, joint contraindications controversies in neurology contusion, cerebral conus medullaris, lesion of convergence convergence, impaired conversion reaction conversion reaction, children convulsive syncope cooling therapy Coombs test, positive copper deficiency coprolalia cornea cornea, abnormal cornea, opacification in infancy-causes of cornea, opacity of corneal dystrophy corneal reflex, abnormal corneal reflex, depressed coronary artery bypass coronary artery disease coronavirus corproporphyrins corpus callosotomy corpus callosum corpus callosum, hypoplastic corpus callosum, infarction of corpus callosum, lesion of corpus callosum, neoplasm of corpus callosum, thinning cortical blindness cortical blindness, transient cortical blindness, transient-post traumatic cortical dysplasia, focal cortical infarction cortical infarction, small cortical resection cortical vein thrombosis coryza cost cost effectiveness cotton-wool spots cough coumarin coumarin, restarting treatment counselling counterimmunoelectrophoresis COVID-19 Cowden syndrome CPAP cranial nerve enhancement cranial nerve enlargement cranial nerve palsies cranial nerve palsies, bilateral cranial nerve palsies, recurrent cranial nerves cranial nerves, toxins effecting cranial nerves, vascular compression cranial neuropathy cranial neuropathy, multiple craniectomy, decompressive cranio-cervical junction craniopharyngioma Craniosynostosis crawl regression C-reactive protein, elevated creatine phosphokinase BB isoenzyme elevation creatine phosphokinase(CPK)elevated creatinine, elevated Cree leukoencephalopathy critical care unit critical illness cry, abnormal cry, weak crying crying, pathologic cryopyrin-associated periodic syndrome cryptococcal meningitis cryptorchidism cultured skin fibroblasts Cushing's syndrome cyanide poison cyanosis cyclic vomiting cyclic vomiting syndrome cycling cyclophosphamide cyclosporine cyproheptidine cyst cyst, arachnoid cyst, arachnoid, infant cyst, benign intracranial cyst, benign suprasellar cyst, cortical parenchyma cyst, parenchymal cyst, porencephalic cyst, subcortical cyst, suprasellar cyst, ventricular cysticercosis cysticercosis, cerebral cysticercosis, intraventricular cysticercosis, spinal cysticercosis, subarachnoid cystinuria cytochrome c oxidase cytoid bodies cytokines cytomegalic inclusion disease cytomegalovirus infection cytomegalovirus infection, congenital cytoreductive surgery DARS Dawson's fingers daydream D-dimer deafness deafness, congenital deafness, unilateral decerebrate posture decision aids decision analysis deep gray nuclei defecation deferoxamine deficiency of ADA2 degenerative diseases of CNS dehydration delay in diagnosis delayed dentition delayed muscle relaxation delirium delivery, complicated dementia dementia, cerebrovascular disease causing dementia, childhood dementia, frontotemporal dementia, presenile dementia, rapidly progressive dementia, reversible dementia, subcortical dementia, thalamic dementia, transmissible dementia, treatment of demyelinating disease denervation potentials Dengue fever denial of blindness(Antons syndrome) dense basilar artery sign dense middle cerebral artery sign dental procedure, neurologic complications with dentate nuclei dentate nuclei, lesion of dentatorubral-pallidoluysian atrophy Denver Developmental Screening test depression depth perception, impaired dermatitis herpetiformis dermatographism dermatomyositis dermatomyositis, childhood descending paralysis developmental abnormality of brain developmental disability developmental evaluation developmental milestones developmental milestones, loss of developmental retardation developmental venous anomalies dextran diabetes insipidus diabetes mellitus diagnostic criteria diaphragmatic paralysis diarrhea diazepam rectal gel dichotic hearing diencephalic syndrome diencephalon diet dietary supplement differential diagnosis difficulty climbing stairs diffuse axonal injury digital subtraction angiography digital subtraction angiography, arterial digital subtraction angiography, complications with digitalis digitalis intoxication dilantin dilantin, factors influencing metabolism of dilantin, free dilantin, serum level dilantin, toxicity dilated aortic root dinitrophenylhydrazine(D.N.P.H.)reaction diplegia, atonic diplegia, brachial diplegia, spastic cerebral diplopia diplopia, transient diplopia, vertical disability rating scale, neurological disability, neurological discitis disconnection syndrome disease modifying agents disorientation disseminated intravascular coagulation(DIC) distal muscle weakness disulfiram diuretic diurnal variation diving dizziness DNA probes dog bite doll's head maneuver domestic violence Dominican Republic donepezil donut sign dopa responsive dystonia dopamine dopamine agonist dopamine antagonist dopamine receptor, D2 doppler doppler, color doppler, transcranial Dorello's canal down-beat nystagmus doxycycline DPPX, antibodies, encephalitis Dravet syndrome draw a clock drawing drawing test in children driving driving test drooling dropped head syndrome drought drowning drowning in epilepsy drowsiness drug abuse drug abuse, inhalation drug abuse, neonatal abstinence syndrome with drug abuse, neurologic complications of drug abuse, toxic screen In drug addiction drug induced neurologic disorders drug induced neurologic disorders in children drug interactions drug overdose drug overdose, accidental drug withdrawal duplex ultrasound dural arteriovenous malformation dural graft, cadaveric dural sinus thrombosis Durett hemorrhages dwarfism dying dysarthria dysarthria-clumsy hand syndrome dyscalculia dyschromatopsia dyscontrol syndrome dysdiadochokinesia dyskinesia dyskinesia, buccal lingual facial dyskinesia, causes of dyskinesia, drug induced dyskinesia, facial dyslexia dysmetria dysmorphic dysostosis multiplex dysphagia dysphasia dysphonia dysplasia of C.N.S. dyspnea dyspraxia dysthyroid ocularmyopathy dystonia dystonia musculorum deformens dystonia, cervical dystonia, children dystonia, delayed onset dystonia, drug induced dystonia, etiology of dystonia, evaluation of dystonia, focal dystonia, painful dystonia, symptomatic dystonia, treatment of dystonic reaction, acute dystrophic calcification dystrophin DYT1 mutation Eales disease ear, abnormal ear, pain in early draining vein eating disorder ecchymoses echinococcus granulosus echocardiogram echocardiogram, contrast echocardiogram, transesophageal echocardiogram, transesophageal, false negative echocardiogram, transthoracic echocardiogram, transthoracic, false negative echoencephalogram eclampsia eclampsia, postpartum economy class stroke ecstasy ectatic basilar artery ectatic carotid artery ectopic pinealoma edema, facial edema, leg edema, pedal edema, periorbital EDTA(ehtylenediamine tetraacetic acid) efficacy Ehlers-Danlos syndrome Eisenmenger's syndrome ejection fraction, abnormal electrocardiogram, abnormal electrocorticogram electroencephalogram electroencephalogram, 3-cps spike-and-wave electroencephalogram, abnormalities of electroencephalogram, ambulatory cassette monitoring electroencephalogram, depth electrode electroencephalogram, focal delta activity electroencephalogram, interictal electroencephalogram, monitoring, continuous electroencephalogram, pediatric patients electroencephalogram, periodic complexes electroencephalogram, sleep electroencephalogram, spike activity electroencephalogram, telemetric electroencephalogram, video monitoring with electrolyte imbalance electromyogram electron microscopy electronystagmography electronystagmography, abnormal electrophoretic pattern, serum electrophoretic pattern, urine electroretinograph ELISA embolic stroke of unknown source embolism embolism, air embolism, fat embolism, nucleus pulposus embolism, paradoxical embolism, retinal embolism, septic embolism, systemic embolism, tumor embolism, vertebral-basilar artery embolization, therapeutic embolization, therapeutic, complications Embryonal tumors emergencies, neurologic emergency room emergent neuroimaging Emery-Dreifuss muscular dystrophy emotional lability employment empty sella empty sella syndrome empyema, epidural empyema, epidural-spinal empyema, subdural encephalitis encephalitis lethargica encephalitis, autoimmune encephalitis, bacterial encephalitis, brainstem encephalitis, etiology encephalitis, focal encephalitis, human immunodeficiency virus type 1 encephalitis, paraneoplastic encephalitis, Rasmussen's encephalitis, unknown etiology encephalitis, viral encephalitis, viral-causes of encephalocele encephalomalacia encephalomyelitis encephalomyelitis, postinfectious encephalomyopathy encephalopathy encephalopathy, acute encephalopathy, acute necrotizing encephalopathy, acute necrotizing of childhood encephalopathy, anoxic encephalopathy, Hashimoto's encephalopathy, metabolic encephalopathy, neonatal encephalopathy, parainfectious encephalopathy, post anoxic encephalopathy, post traumatic encephalopathy, progressive encephalopathy, toxic in children endarterectomy, carotid endarterectomy, carotid-complications of endarterectomy, carotid-emergent endemic area endocardial fibrosis endocarditis endocarditis, acute bacterial endocarditis, infectious endocarditis, Libman-Sacks endocarditis, marantic endocarditis, neurologic manifestations with endocarditis, subacute bacterial endocarditis, treatment of endoscopic surgery endoscopy endotoxin endovascular therapy energy drink enophthalmous enoxaparin enterovirus enterovirus infection of CNS entrapment neuropathy enuresis enzyme, defect enzyme, induction eosinophilia ependymitis ependymoma ephedrine epicanthal folds epidemic epidemiology of neurology epidermal nevus syndrome epilepsia partialis continua epilepsy epilepsy referral centers epileptic encephalopathy epinephrine episcleritis episodic disorders episodic neurologic deficits episodic shaking epistaxis epistaxis, recurrent Epley maneuver epsilon sarcoglycan gene Epstein-Barr virus equinovarus Erb's palsy erethism ergotamine erythema migrans erythema nodosum erythrocyte escherichia coli esophageal varices ethambutol ethamsylate ethics in neurology ethylmalonic aciduria ethylmalonic encephalopathy evidence-based research evoked potentials excitotoxin exercise exercise intolerance exercise-induced leg numbness exercise-induced neurologic dysfunction exercise-induced vascular symptoms exome sequencing exophthalmus experimental allergic encephalitis extension-flexion injury of cervical spine external capsule extracorporeal membrane oxygenation extracranial-intracranial arterial bypass extraocular muscle enlargement extrapyramidal eye injury eye movement, disorders of eye movement, painful eye, pain in eyedness Fabry's disease face, inexpressive face, numbness of facial anomalies facial appearance, abnormal facial asymmetry facial expression abnormality facial hypoplasia facial nerve facial nerve palsy facial nerve palsy, causes of facial nerve palsy, congenital facial nerve palsy, familial facial nerve palsy, prognosis of facial nerve palsy, recurrent facial nerve palsy, treatment of facial nevus facial pain facial pain, children facial sweating, unilateral facial swelling facial weakness facial weakness, bilateral faciobrachial dystonic seizure Factor V Leiden factor V, deficiency factor VIII, elevated factor Xa inhibitor failure to thrive falling false negative false positive false positive VDRL falx cerebri falx sign falx sign, false familial familial hemiplegic migraine FARS2 deficiency fasciculation FAST trial fatigue febrile infection-related epilepsy syndrome feeding disorder felbamate fenfluramine ferric chloride test fetal alcohol syndrome fetal distress fetal tissue fetal valproate syndrome fetus fever fever, recurrent fibrillations fibrinolytic agents fibrinolytic agents, complications fibrinolytic agents, contraindications fibrinolytic agents, intra-arterial local infusion fibrinolytic agents, intra-venous local infusion fibrinolytic therapy, selection criteria fibrinolytic therapy, timing of administration fibroma, ungual fibromuscular dysplasia fibromuscular dysplasia, tubular fibromyalgia fine motor function, impaired finger nose finger test finger swelling fingerprint bodies fingers, abnormal fingolimod fire setting fish fish poisoning Fisher's syndrome fistula, arterio-venous fistula, arterio-venous, carotid-cavernous fistula, arterio-venous, dural fistula, arterio-venous, dural, spinal fistula, arterio-venous, pial fistula, arterio-venous, pulmonary fistula, arterio-venous, vertebral fistula, perilymphatic flaccid paralysis FLAMES flicker fusion test floppy infant flow study, carotid artery flow study, cerebral fluctuate flu-like illness flunarizine fluorescein angiography fluorescene in situ hybridization flushing flushing, unilateral folic acid folic acid deficiency fontanel, bulging food allergy food poisoning food-borne infection foot deformity foot drop foot, weakness football neurologic injuries footedness forceps delivery fornix, lesion of foscarnet fosphenytoin fourth ventricle, cyst fourth ventricle, enlargement of fourth ventricle, floor fourth ventricle, neoplasm of fracture, long bone fracture, long bones, nerve injury with fragile-X syndrome fragile-X syndrome, carrier Friedreich's ataxia frontal bossing frontal lobe, behavior with disease of frontal lobe, pathologic signs of frontal lobe, space occupying lesion of fumarate fundus, abnormality of funduscopic exam fungal infection fungal infection, CNS fungal infection, CNS, treatment of F-wave response gabapentin gadolinium gag reflex, depressed gait disorder gait, apraxic gait, spastic gait, waddling galactocerebrosidase galactocerebroside antibodies galactorrhea galactosidase galcanezumab gamma amino butyric acid gamma amino butyric acid receptor antibody gamma amino butyric acid-mimetic drug gamma knife therapy gammaglobulin therapy, intravenous ganciclovir gangliocytoma gangliosidosis GM2 gargoylism gastroenteritis gastrointestinal bleeding gastrointestinal disease, neurologic complications gastrointestinal perforation gaze palsy gaze palsy, congenital horizontal gaze palsy, horizontal gaze palsy, horizontal-bilateral gaze palsy, supranuclear gaze palsy, vertical gender gene gene mutation gene therapy generator generic drugs genetic counselling genetic diagnosis genetic diagnosis, prenatal genetic linkage genetic neurologic disorders genetic screening genetic testing geniculate body, lateral genital ulcerations genu of corpus callosum geographic location Gerstmann syndrome GFAP gene GFAP-IgG giant axonal neuropathy giant cell arteritis Gilles de la Tourette syndrome Gillespie syndrome gingival hyperplasia gingivitis glare, light-induced Glasgow coma score glaucoma glaucoma, acute gliadin antibodies glioblastoma multiforme(astrocytoma Gr.III) glioma glioma, low-grade gliomatosis cerebri gliosis globoid cells globus pallidus globus pallidus, infarction globus pallidus, lesion of globus pallidus, lesion of, bilateral globus pallidus, swelling glomus jugulare tumor glossopharyngeal neuralgia glucagonoma GluD2 GLUT1 GLUT1 deficiency syndrome glutamic acid glutamic acid decarboxylase, antibody gluten ataxia gluten sensitivity gluten-free diet glycine glycine receptor antibodies glycogen storage disease glycosuria GNAQ gene golfing golfing injuries Gowers maneuver Gradenigo's syndrome gram negative rod gram positive rod granular atrophy, cerebral cortex granuloma, pulmonary granulomatosis with polyangiitis granulomatous disease grasp reflex grasping Graves ophthalmopathy gray hair gray matter grimacing growth hormone growth retardation grunting guanethidine guanfacine Guillain Barre syndrome Guillain Barre syndrome, axonal form Guillain Barre syndrome, differential diagnosis of Guillain Barre syndrome, etiology of Guillain Barre syndrome, infantile and childhood form Guillain Barre syndrome, prognosis of Guillain Barre syndrome, variant forms of guinea pigs gum disease gyrate atrophy of choroid and retina gyrus, abnormal H1N1 influenza Hallervorden Spatz disease Hallgren's syndrome hallucination hallucination, visual hallucination, visual, benign haloperidol hamartin hamartoma hammertoes hamster hand deformity hand flapping hand pain hand weakness handedness hand-foot-mouth disease hands, fisted Hand-Schuller-Christian disease handwriting hangmans fracture harlequin syndrome Hartnup's disease head bobbing head circumference head injury head injury, behavioral disorder with head injury, CNS function following head injury, cranial nerves involved in head injury, defibrination following head injury, delayed deterioration following head injury, etiology head injury, evaluation of head injury, hypothalamic and pituitary damage head injury, internal organ injury associated with head injury, management of head injury, mild head injury, pediatric head injury, prevention head injury, prognosis in head injury, severe head jerks head lag head nodding head tilt head turning head turning, neurologic complications with headache headache, bifrontal headache, bilateral headache, cerebrovascular disease causing headache, cervical origin headache, childhood, differential diagnosis of headache, children headache, chronic headache, chronic daily headache, differential diagnosis of headache, drug induced headache, emergency headache, episodic headache, evaluation of headache, focal headache, frontal headache, hypertensive headache, icepick headache, neuroimaging in headache, occipital headache, persistent headache, positional headache, post traumatic headache, postpartum headache, precipitating factors headache, progressive headache, prophylaxis headache, rebound headache, recurrent headache, severe headache, sudden onset of headache, throbbing headache, thunderclap headache, treatment of headache, unilateral health insurance hearing hearing loss hearing loss, bilateral hearing loss, sudden, bilateral hearing problems in children heart block heart murmur heart valve, prosthetic heat intolerance heavy charged particle radiation heavy metal intoxication heel-knee-shin test heliotrope rash helium beam therapy helmets helminthic infection of CNS hemangioblastoma hemangioma hemangioma, brainstem hemangioma, cerebral hemangioma, facial hemangioma, internal organs hemangioma, leptomeningeal hemangioma, skin hemangioma, vertebral hematoma, epidural-cranial hematoma, epidural-spinal hematoma, intracerebral hematomyelia hematuria, gross hematuria, microscopic hemiachromatopsia hemianopia hemianopia, alternating hemianopia, homonymous hemianopia, homonymous, bilateral hemianopia, recurrent hemiatrophy hemiatrophy, cerebral hemiballismus hemichorea hemidystonia hemifacial atrophy hemifacial spasm hemiparesis hemiparesis, fluctuating hemiparesis, recurrent hemiparesis, transient hemiplegia hemiplegia, congenital hemiplegia, progressive hemisensory loss hemispherectomy hemoglobin abnormality, neurologic complications of hemoglobinuria hemolytic-uremic syndrome hemophagocytic lymphohistiocytosis hemophagocytic lymphohistiocytosis, cerebromeningeal hemophilia hemophilus influenza hemophilus influenza vaccine hemoptysis hemorrhage, intracranial, newborn hemorrhage, periventricular hemorrhage, putamenal hemorrhage, thalamic hemorrhagic diathesis hemorrhagic shock encephalopathy syndrome hemorrhoids hemosiderosis of CNS, superficial hemostatic therapy Henoch-Schonlein purpura heparin heparin, low-molecular-weight heparinoid, low molecular weight hepatic encephalopathy hepatic encephalopathy, acute hepatic failure hepatic failure, acute hepatitis hepatitis B vaccine hepatolenticular degeneration(Wilson's disease) hepatomegaly hepatosplenomegaly heralding manifestation herbs hereditary hemorrhagic telangiectasia(HHT) herniated disc herniated disc, cervical herniated disc, thoracic herniation syndromes, intracranial herpes encephalitis herpes simplex encephalitis herpes simplex encephalitis, atypical herpes simplex encephalitis, chronic herpes simplex encephalitis, extra temporal herpes simplex encephalitis, infancy and childhood herpes simplex encephalitis, recurrent herpes simplex virus herpes virus herpes virus infection herpes zoster heterochromia iridis heterotopia hexosaminidase-A HGPPS hiccoughs high arched feet hip arthroplasty hip pain hippocampal atrophy hippocampus hippocampus, hyperintense hirsutism Hispanics histochemistry histochemistry of muscle histopathology HLA hoarseness hockey Hodgkin's disease Hodgkin's disease, neurologic involvement with holoprosencephaly homocysteine, serum homocystinuria homocystinuria, heterozygous honey hormone replacement hormone therapy Horner's syndrome Horner's syndrome, bilateral Horner's syndrome, childhood Horner's syndrome, congenital horse-riding injuries hospital length of stay hospitalization hot bath test hot, red, angry babies Howell-Jolly bodies H-sign, spinal cord HTRA1 gene human genome human herpesvirus 6 human immunodeficiency virus type 1 human immunodeficiency virus type 1, acute infection human immunodeficiency virus type 1, asymptomatic human immunodeficiency virus type 1, infants and children human parechovirus human T-lymphotropic virus type I(HTLV-I) huntingtin Huntington's chorea Huntington's chorea, age at onset Huntington's chorea, akinetic-rigid form Huntington's chorea, differential diagnosis Huntington's chorea, genetic counselling Huntington's chorea, late onset Huntington's chorea, membrane abnormality Huntington's chorea, misdiagnosis of Huntington's chorea, presymptomatic detection of Huntington's chorea, sporadic form Huntington's disease, children Hurler's syndrome hydatid cyst hydranencephally hydrocephalus hydrocephalus, communicating hydrocephalus, complications with hydrocephalus, congenital hydrocephalus, etiology hydrocephalus, exvacuo hydrocephalus, fetal hydrocephalus, infants and children hydrocephalus, intrauterine hydrocephalus, non-communicating(obstructive) hydrocephalus, normal pressure hydrocephalus, normal pressure in children hydrocephalus, transient hydrocephalus, treatment of hydrocephalus, viral induced hydronephrosis hydroxyglutaric aciduria hyperactivity hyperammonemic encephalopathy hyperbilirubinemia hyperbilirubinemia, CNS abnormality after hypercalcemia hypercoagulable state hyperekplexia hyperextension injury hypergammaglobulinemia hyperglycinemia hyperglycinemia, nonketotic hyperhidrosis hyperhomocysteinemia hyperintense vessel sign hyperkalemia hyperlipidemia hyperlipoproteinemia hypernatremia hypernephroma hyperopia hyperornithinemia hyperosmolality hyperperfusion syndrome hyperphagia hyperphosphatasia hyperpigmentation of skin hyperpyrexia, CNS disorder causing hyperreflexia hypersomnia hypertelorism hypertension hypertension, cerebrovascular disease with hypertension, children and adolescents hypertensive emergency hypertensive encephalopathy hypertensive encephalopathy, venous hypertensive retinopathy hyperthermia hyperthyroidism hypertonia hypertrophic cardiomyopathy hypertrophic intracranial pachymeningitis hypertrophy, ventricular hyperventilation hyperviscosity hyperviscosity fundus hyperviscosity, neonatal hypnosis hypocalcemia hypocalcemia, causes of hypocomplementemia hypocretin hypodontia hypogammaglobulinemia hypoglossal artery, persistent hypoglossal nerve hypoglossal nerve paralysis hypoglycemia hypoglycemia, newborn and infant hypoglycorrhachia hypoglycorrhachia, causes of hypogonadism hypokalemia hypokinetic left ventricle hypomagnesemia hypomyelination hyponatremia hypoparathyroidism hypophosphatemia hypopigmentation of skin hypopituitarism hypoplastic left heart syndrome hyporeflexia hypotelorism hypotension, systemic hypothalamus hypothalamus, damage to hypothalamus, disturbance of hypothalamus, lesion of hypothalamus, neoplasm of hypothermia hypothermia, causes of hypothyroidism hypothyroidism, congenital hypothyroxinemia hypotonia hypotonia, infants hypoxia hypoxia, intrauterine hypoxia, newborn hypoxic encephalopathy hypoxic-ischemic leukoencephalopathy hypsarrhythmia hysterical nystagmus iatrogenic neurologic disorders ibrutinib ibuprofen ictus emeticus ileus, paralytic imbalance immune checkpoint inhibitors immunization, neurologic complications with immunocompetent immunodeficiency immunofluorescence immunologic disease immunology and the nervous system immunomodulation immunosuppression immunosuppressive agents immunotherapy impaired vigilance implantable cardioverter defibrillator impotence impulsivity in vitro fertilisation inappropriate antidiuretic(A.D.H.)hormone inappropriate antidiuretic(A.D.H.)hormone, CNS involvement with inattention inborn errors of metabolism incidence incidental finding incidentaloma inclusion bodies inclusion bodies, eosinophilic cytoplasmic inclusion bodies, eosinophilic intranuclear inclusion bodies, intracytopasmic inclusion body myositis incontinence, fecal incoordination India Indian Ocean islands indomethacin industrial neurologic disorders infant and newborn with distress, neurologic prognosis in infant, evaluation of infantile colic infantile hemiplegia infantile hemiplegia, causes of infantile spasm infantile tremor syndrome infection infectious mononucleosis, neurologic findings with inferior petrosal sinus influenza influenza A virus influenza B virus influenza immunization influenza, avian injection neuropathy injection, intramuscular inline skating INR values insomnia insular cortex insulin resistance intellectual deficit intellectual deficit, treatable causes of intellectual deterioration intelligence quotient intelligence testing in children interferon interferon alpha interferon beta 1-a interferon beta 1-b interferonopathy interleukin 1 interleukin 6 internal capsule internal carotid artery internal carotid artery, hypoplastic internal cerebral vein internet internuclear ophthalmoplegia internuclear ophthalmoplegia, unilateral interobserver agreement intestinal biopsy intestinal pseudoobstruction intraarterial balloon embolization intracerebral hemorrhage intracerebral hemorrhage, bilateral intracerebral hemorrhage, causes of intracerebral hemorrhage, clot evacuation intracerebral hemorrhage, differential diagnosis of intracerebral hemorrhage, familial intracerebral hemorrhage, incidence of intracerebral hemorrhage, lobar intracerebral hemorrhage, location of intracerebral hemorrhage, multiple intracerebral hemorrhage, postpartum intracerebral hemorrhage, progression of intracerebral hemorrhage, recurrent intracerebral hemorrhage, small intracerebral hemorrhage, treatment of intracerebral hemorrhage, volume intracerebral hemorrhage, work up intracerebral hemorrhage, young adult intracranial hemorrhage intracranial hypertension, benign intracranial hypertension, benign, children intracranial hypertension, benign, men intracranial hypertension, benign, without papilledema intracranial pressure monitoring intracranial pressure, increased intracranial pressure, increased, treatment of intranasal medication intraocular pressure, increase intrathecal antispasticity drugs intrathecal chemotherapy intrathecal medication intrathecal treatment of meningitis intrauterine intrauterine device intrauterine growth retardation intrauterine infection intrauterine infection, viral intrauterine infection, viral of CNS intravenous intravenous angiography intravenous drug abuse intraventricular antibiotic administration intraventricular hemorrhage intraventricular hemorrhage, primary intraventricular hemorrhage, treatment intubation intussusception intussusception, neurologic iris, abnormal iritis iron, brain irritability irritable baby irritable bowel syndrome islet cell tumor isoniazid isoproterenol isordil ivermectin ivy sign Jakob-Creutzfeldt disease Jakob-Creutzfeldt disease, variant jaundice jaw claudication jaw contractures jaw pain JC virus Jervell Lange-Neilson syndrome Jewish jittery baby joint hypermobility Joubert syndrome jugular foramen syndrome juvenile idiopathic inflammatory myopathy juvenile myoclonus epilepsy karate karyotyping Kayser-Fleischer ring KCNQ2 encephalopathy Kearns-Sayre syndrome keratitis, interstitial Kernig's sign ketamine ketogenic diet kindling kingella kingae klippel feil syndrome Klumpke palsy Kluver-Bucy syndrome knee pain kodachrome collection konzo Krabbe's disease Kugelberg-Welander syndrome kyphoscoliosis, neurologic causes of labor, complicated labyrinth, disorder of labyrinthitis labyrinthitis, acute lacosamide lacrimal gland enlargement lacrimation lactate lactic acidemia lactic dehydrogenase(LDH) lacunar infarction lacunar infarction, differential diagnosis of Lafora body Lafora's disease lamotrigine Landau-Kleffner syndrome language language delay language development, neurologic basis of language disorder in adults language disorders in children large artery disease laryngismus stridulus lateral medullary syndrome lateral sinus thrombosis latex agglutination in diagnosis of meningitis laughing, pathologic Laurence-Moon-Bardet-Biedl syndrome lawn dart Lazarus signs L-dopa lead and the nervous system lead line, gingival lead poisoning learning disability learning disability, in children Leber's congenital amaurosis Leber's hereditary optic neuropathy lecithin left handedness left-right orientation leg numbness leg spasms leg spasms, painful leg weakness, bilateral leg weakness, unilateral Legius syndrome Leigh's disease Leigh's disease, adult variety Lennox-Gastaut syndrome lens, dislocation of lens, ectopic lenticular nucleus, lesion of, bilateral lethargy leucine rich glioma inactivated 1 antibodies leukemia leukemia, neurologic findings assoc.with leukemia, prophylactic treatment of CNS leuko-araiosis leukocyte enzyme abnormality leukocytosis leukodystrophy leukoencephalopathy leukoencephalopathy, differential diagnosis leukoencephalopathy, toxic leukopenia level of consciousness level of consciousness, decreased levetiracetam Lewy body disease, diffuse Lhermitte-Duclos disease libido, decreased lid abnormalities lid closure, weakness of lid twitch lidocaine life expectancy life support, withdrawal of life support, withholding of life sustaining treatment lifestyle lifestyle modification limbic encephalitis limping linear accelerator linear lesion lipid storage disorder of CNS lipids lipoma of CNS lipoproteins listeria monocytogenes listeriosis, CNS livedo reticularis liver biopsy liver disease liver function enzymes liver transplantation lobar atrophy locked-in syndrome long bone lesion long QT syndrome lorazepam lordosis Lorenzo's oil low back pain low birth weight LSD lumbar canal, stenosis of lumbar drain lumbar puncture lumbar puncture, complications of lumbar puncture, indications for lumbar puncture, traumatic lumbosacral plexopathy lumbosacral plexus lumbosacral plexus, neuritis lung transplantation lupus anticoagulant lupus erythematosis, discoid luxury perfusion syndrome Lyme disease Lyme disease, children lymph node biopsy lymphadenitis lymphadenopathy lymphadenopathy, axillary lymphadenopathy, cervical lymphadenopathy, hilar lymphadenopathy, paraaortic lymphangiomyomatosis lymphocyte capping, diminished lymphocytic choriomeningitis lymphocytic interstitial pneumonitis lymphoma lymphoma involving CNS lymphoma, ocular lymphoma, primary of CNS lymphoma, systemic lymphomatoid granulomatosis lymphopenia lysosomal storage disease lysosomes, abnoral macrocephaly macroglobulinemia macrognathia macular degeneration macular degeneration, senile macular edema maculopathy magnetic source image magnetic susceptibility magnetoencephalography magnification angiography malabsorption malaria malaria, cerebral malformation, CNS, congenital malformation, vascular malformation, vascular, cerebral malformation, vascular, cryptic malformation, vascular, dural malformation, vascular, familial malformation, vascular, screening for malformation, vascular, spontaneous regression malformation, vascular, treatment of malformation, Vein of Galen malformation, venous malignancy screen malignancy, occult malignant optic glioma of adulthood malpractice mammillary bodies mania manic-depressive Man-In-The-Barrel syndrome maple syrup urine disease Marburg's disease marche a petits pas Marchiafava-Bignami disease Marcus Gunn pupil Marfan syndrome marihuana Marinesco-Sjogren syndrome martial arts masked facies mastectomy, radical mastoid opacification mastoid, pain of mastoiditis masturbation May-Thurner syndrome McDonald criteria for MS measles vaccine meconium staining medial longitudinal fasciculus(MLF) medial rectus palsy median neuropathy mediastinum, mass of medical-legal aspects of neurology medulla oblongata medulla oblongata, hemorrhage of medulla oblongata, infarction of medulla oblongata, lesion of medulla oblongata, malformation medulla oblongata, neoplasm of medullary streaks medullary veins medulloblastoma megalencephaly megalencephaly, idiopathic melanoma, malignant melanomatosis, primary malignant MELAS syndrome membranous nephropathy memory, defect of recent memory, impairment of menarche Meniere's disease meningeal biopsy meningeal enhancement meningeal gliomatosis meningioma meningismus meningitis meningitis, acquired drug resistance in meningitis, adults meningitis, antibacterial treatment in meningitis, aseptic meningitis, bacterial meningitis, bacterial, score meningitis, bacterial-negative CSF culture meningitis, bacteriologic etiology of meningitis, basilar meningitis, candida meningitis, carcinomatous meningitis, children meningitis, chronic meningitis, citrobacter meningitis, clinical features of meningitis, CSF cell count-normal meningitis, CSF findings in meningitis, CSF findings in-posttreatment meningitis, cysticercosis meningitis, diagnosis meningitis, enterococcal meningitis, eosinophilic meningitis, escherichia coli meningitis, factors influencing mortality in meningitis, fungal meningitis, gram negative meningitis, gram negative-treatment of meningitis, hemophilus influenza meningitis, iatrogenic meningitis, late neurologic sequelae in meningitis, leukemic meningitis, listeria monocytogenes meningitis, lymphomatous meningitis, meningococcal meningitis, neurologic aspects and complications of meningitis, neutrophilic meningitis, newborn meningitis, noninfectious meningitis, partially treated meningitis, pathophysiology meningitis, pneumococcal meningitis, postoperative neurosurgical meningitis, predisposing factors in meningitis, prevention meningitis, prophylaxis against meningitis, rapid diagnosis meningitis, recurrent meningitis, seizures with meningitis, spinal fluid smear and culture of meningitis, spinal fluid smear and culture-negative meningitis, TB meningitis, treatment of meningitis, treatment of, empirical meningitis, viral etiology in meningoencephalitis meningoencephalitis, mumps meningovascular syphilis menopause menses mental retardation mental status, abnormal mental status, abnormal, acute mental status, evaluation of meprobamate MERCI trial merosin MERRF syndrome MERS mesial temporal lobe mesial temporal sclerosis metabolic acidosis metabolic disorder, primary metabolic disorder, primary-screening tests metachromatic leukodystrophy metachromatic leukodystrophy, juvenile metachromatic leukodystrophy, late-infantile methadone methanol intoxication methotrexate methyl benzene methylene tetrahydrofolate reductase methylenetetrahydrofolate reductase deficiency methylmalonic acidemia methylmalonic aciduria metoprolol Mexican Mexico microabscesses, cerebral microaneurysm, cerebral microangiopathic hemolytic anemia microangiopathy, brain microangiopathy, retina microangiopathy, spinal cord microcephaly microdontia micrognathia microhemorrhage, intracerebral microinfarcts micropthalmia microspherophakia microsurgery microvascular anastomosis, intracranial midazolam midbrain midbrain, infarction of midbrain, lesion of midbrain, neoplasm of middle cerebellar peduncle middle cerebellar peduncle, lesion middle cerebellar peduncle, lesion, bilateral middle cerebral artery middle cerebral artery territory infarction middle cerebral artery territory infarction, malignant middle cerebral artery, emboli to middle cerebral artery, occlusion of middle cerebral artery, stenosis of midline defect in children migraine migraine with aura migraine, acute confusional migraine, aura of migraine, children migraine, confusional state and delirium with migraine, EEG in migraine, equivalents migraine, hemiplegic migraine, mental disorder associated with migraine, neuroophthalmologic findings in migraine, pathogenesis migraine, prevalence migraine, prophylaxis migraine, seizures in migraine, treatment of migraine, triggers migraine, visual symptoms in migrainous infarction mimics miosis mirror writing misdiagnosis missing piece sign mitochondrial disease mitochondrial disease, pathogenesis mitochondrial encephalomyopathy mitral annulus calcification mitral valve lesion mitral valve prolapse mitral valve strands mitral valve vegetation mitral valve, Lambl excrescences MNGIE syndrome Moebius syndrome molar tooth sign molecular genetics molybdenum cofactor deficiency mongolism monoclonal antibodies monoclonal gammopathy monomelic amyotrophy mononeuritis multiplex mononeuropathy mononeuropathy multiplex mononeuropathy, children mononeuropathy, sensory monoparesis mood change morphine mortality Morvan's fibrillary chorea motion sickness motor development motor dysfunction motor neuron disease motor neuron disease, juvenile form motor signs motor symptoms motor system motorcycle accidents mouse movement disorder movement disorder, delayed onset movement disorder, drug induced movement disorder, extrapyramidal movement disorder, extrapyramidal-treatment of movement disorder, treatment of moyamoya moyamoya, adult MRI MRI pattern MRI, abdomen MRI, abnormal MRI, abnormal, seizure causing MRI, angiography MRI, angiography, contrast enhanced MRI, angiography, false negative MRI, black blood sequence MRI, brachial plexus MRI, brain tumors MRI, cardiac MRI, CAT scan compared to MRI, cerebrovascular disease MRI, complications with MRI, contrast enhanced MRI, contrast enhanced, cloud-like MRI, contrast enhanced, postoperative MRI, cortical enhancement MRI, cranial nerves MRI, demyelinating disease MRI, diffusion tensor MRI, diffusion weighted MRI, disappearing lesion on MRI, false negative MRI, false positive MRI, fetal MRI, field strength, high MRI, FLAIR MRI, FLAIR, hyperintense vessels MRI, flow void, blood MRI, functional MRI, gradient-echo MRI, gray matter enhancement MRI, gyral enhancement MRI, gyral swelling MRI, high signal foci on MRI, hypointense signal foci on MRI, incidental finding MRI, indications for MRI, intravascular enhancement MRI, linear enhancement MRI, mass effect on MRI, muscle MRI, negative MRI, nodular enhancement MRI, optic nerve MRI, orbit MRI, paramagnetic effect MRI, pelvis MRI, perfusion MRI, peripheral nerve MRI, punctate pattern MRI, ring sign MRI, ring sign, open MRI, safety MRI, serial MRI, skull bone changes MRI, spinal cord MRI, spinal cord, increased intramedullary cord signal MRI, spine MRI, sunburst pattern MRI, susceptibility weighted MRI, target sign MRI, venography MRI, vertebral bone marrow MRI, vessel wall MRI, vessel wall enhancement MRI, volumetry MRS mucopolysaccharidoses mucormycosis multimodal neuroimaging multinucleated giant cell multiple myeloma multiple organ failure multiple sclerosis multiple sclerosis, acute multiple sclerosis, asymptomatic multiple sclerosis, children multiple sclerosis, clinical patterns multiple sclerosis, conjugal multiple sclerosis, conversion to clinically definite multiple sclerosis, diagnosis of multiple sclerosis, diagnostic criteria multiple sclerosis, differential diagnosis of multiple sclerosis, disability status scale multiple sclerosis, early onset multiple sclerosis, etiology of multiple sclerosis, familial multiple sclerosis, misdiagnosis multiple sclerosis, monosymptomatic multiple sclerosis, MRI criteria multiple sclerosis, presenting manifestations multiple sclerosis, prognosis multiple sclerosis, radiologically isolated syndrome multiple sclerosis, relapsing multiple sclerosis, risk factors for multiple sclerosis, spinal form multiple sclerosis, treatment of multiple subpial transection multiple system atrophy multisystem inflammatory syndrome in children mumps virus Munchausen syndrome muscimol muscle atrophy, focal muscle atrophy, progressive muscle biopsy muscle cramp muscle hypertrophy muscle pain muscle relaxant muscle spasm muscle stiffness muscle tenderness muscle twitching muscle wasting, diffuse muscle weakness muscle weakness, proximal muscle weakness, sudden onset of muscular dystrophy muscular dystrophy, Becker muscular dystrophy, cardiovascular changes with muscular dystrophy, central nervous system abnormality muscular dystrophy, classification muscular dystrophy, congenital muscular dystrophy, distal, Miyoshi muscular dystrophy, Duchenne muscular dystrophy, facioscapulohumeral muscular dystrophy, LAMA2 muscular dystrophy, limb-girdle muscular dystrophy, neurogenic hypothesis of music mutism myasthenia gravis myasthenia gravis, congenital myasthenia gravis, differential diagnosis myasthenia gravis, distal weakness myasthenia gravis, familial incidence of myasthenia gravis, infantile and juvenile myasthenia gravis, limb-girdle myasthenia gravis, misdiagnosis of myasthenia gravis, neonatal myasthenia gravis, nystagmus in myasthenia gravis, ocular myasthenia gravis, presenting manifestations myasthenia gravis, prognosis of myasthenia gravis, remission of myasthenia gravis, seronegative myasthenia gravis, thymectomy in myasthenia gravis, treatment of myasthenic crisis myasthenic syndrome mycoplasma mycoplasma pneumoniae mycotic aneurysm myelination of nervous system myelinolysis, extrapontine myelitis myelitis, longitudinal myelitis, post infectious myelitis, transverse myelitis, transverse, idiopathic myelitis, transverse, prognosis myelitis, transverse, recurrent myelodysplasia myelogram myelogram, cervical myelomalacia myelomeningocele myelopathy myelopathy, arteriovenous malfor.of spinal cord causing myelopathy, ascending myelopathy, chronic progressive myelopathy, necrotizing myelopathy, transverse myelopathy, vacuolar myelopathy, venous hypertensive myeloproliferative disorder myocardial infarction myocardial infarction, acute myocardial injury myocarditis myoclonic dystonia myoclonic jerks myoclonus myoclonus, action myoclonus, cortical myoclonus, epilepsy myoclonus, segmental myoclonus, stimulus sensitive myofascial pain syndrome myoglobinuria myoinositol myokymia myopathy myopathy inflammatory, classification myopathy, critically ill myopathy, distal myopathy, distal, vacuolar myopathy, drug-induced myopathy, inflammatory myopathy, inflammatory, classification myopathy, mitochondrial myopathy, vacuolar myopia myopia, sudden onset of myositis myositis specific autoantibody myositis, acute of childhood myositis, bacterial myositis, juvenile myositis, ocular myositis, post infectious myostatin myotonia myotonia congenita myotonia dystrophica mysoline N-acetyl-L-aspartic acid naproxen narcolepsy narcolepsy, children nasal decongestant nasal regurgitation nasal speech nasal spray nasal stuffiness nasopharyngeal carcinoma natalizumab Native Americans natural disaster nausea and vomiting near reflex near reflex, spasm of neck extension neck pain neck stiffness neck trauma neck weakness neck, webbed neck-tongue syndrome negative nelarabine toxicity neonatal abstinence syndrome neonatal epilepsy syndromes neonatal epileptic encephalopathy neonatal infection, viral neonatal screening, genetic neurologic disorders neoplasm, intracranial neoplasm, intracranial with metastasis extracranially neoplasm, intracranial, children neoplasm, intracranial, congenital neoplasm, intracranial, differential diagnosis of neoplasm, intracranial, infants neoplasm, intracranial-presenting as head injury neoplasm, metastatic neoplasm, metastatic to CNS neoplasm, metastatic to CNS, hemorrhagic neoplasm, metastatic to CNS-children neoplasm, metastatic to CNS-hemorrhage into neoplasm, metastatic to CNS-intraventricular neoplasm, metastatic to CNS-prophylactic irradiation of neoplasm, metastatic to CNS-treatment of neoplasm, metastatic to Dura neoplasm, metastatic to eye neoplasm, metastatic to muscle neoplasm, metastatic to orbit neoplasm, metastatic to skull neoplasm, pituitary neoplasm, pituitary, treatment of neoplasm, posterior fossa neoplasm, primary intracerebral neoplasm, primary intracerebral, children neoplasm, primary intracerebral, presenting as CVA neoplasm, primary intracerebral, resection neoplasm, primary intracranial neoplasm, primary intracranial-treatment of neoplasm, primary of CNS neoplasm, primary of CNS assoc.with primary malig.other sites neoplasm, primary of CNS-children neoplasm, primary of CNS-classification neoplasm, primary of CNS-familial occurrence neoplasm, primary of CNS-hemorrhage in neoplasm, primary of CNS-incidence of neoplasm, primary of CNS-infants neoplasm, primary of CNS-intraventricular neoplasm, primary of CNS-metastasizing supratentorially neoplasm, primary of CNS-metastasizing to subarachnoid space neoplasm, primary of CNS-recurrent neoplasm, primary of CNS-surgical treatment of neoplasm, primary of CNS-survival neoplasm, primary of CNS-treatment of neoplasm, second primary neoplasm, spine nephritis nephrocalcinosis nephrosclerosis nephrotic syndrome nerve biopsy nerve conduction studies nerve conduction studies, motor nerve conduction studies, sensory nerve grafting nerve hypertrophy nerve injury nerve root enhancement nerve root, lumbar, lesion of neural tube defect neurexin-3 alpha antibodies neuroaxonal dystrophy neuroaxonal dystrophy, infantile neuroaxonal dystrophy, juvenile neuroblastoma neurochemistry neurocutaneous disease neuroendocrinology neurofibrillary degeneration neurofibroma neurofibroma, plexiform neurofibromatosis 1 neurofibromatosis 2 neurofibromin neuroglycopenia neuroinfectious diseases neuroleptic neuroleptic, atypical neurolipidosis IV neurologic complications neurologic complications of, burns neurologic complications of, surgery neurologic complications of, systemic cancer neurologic complications of, systemic disease neurologic disease neurologic disease, diagnoses of neurologic disease, diagnoses of, clinical bedside neurologic disease, multifocal neurologic disease, tempo neurologic evaluation neurologic examination neurologic examination, fluctuating neurologic examination, focal neurologic examination, non-focal neurologic history neurologic intussusception neurologic signs neurologic symptoms neurologic symptoms, unexplained neurologic testing neurological intensive care neurolysis neuroma neuromuscular disease, electrodiagnosis of neuromuscular junction neuromuscular junction, abnormality of neuromyelitis optica (Devic's disease) neuromyelitis optica spectrum disorder neuromyelitis optica, IgG neuromyotonia neuromyotonia and axonal neuropathy neuronal cell surface antigen neuronal ceroid-lipofuscinosis neuronal degeneration neuronal migration disorder neuroophthalmology neuropathology neuropathology, brain neuropathy neuropathy, acute neuropathy, amyloid neuropathy, hereditary peripheral neuropathy, iatrogenic neuropathy, medication induced neuropathy, motor neuropathy, motor, multifocal neuropathy, painful neuropathy, peripheral neuropathy, peripheral, treatment neuropathy, small-fiber neuropathy, small-fiber, painful sensory neuropathy, toxic neuropathy, vasculitic, systemic neuroprotective agents neuropsychiatry neuroradiology neuroradiology, interventional neuroretinitis neurosis neurosyphilis neurotomy neurotoxic neurotoxicity, acute neurotoxin neurotransmitter neurovascular compression nevus nevus of Ota newborn, evaluation of next-generation sequencing NICE guidelines nicotine nicotine patch Niemann-Pick disease night blindness night sweats nightmares NIH stroke scale nipple shield nitrous oxide nivolumab NMDA antagonists NMDA receptors non-dominant hemisphere nonsteroidal anti-inflammatory drug nonverbal non-vitamin K antagonist oral anticoagulants Noonan Syndrome normal Norrie Disease nortriptyline nose, abnormal Notch3 gene numbness, extremity nursing home nusinersen nutritional deficiency nystagmus nystagmus, congenital nystagmus, direction fixed nystagmus, dissociated nystagmus, epileptic nystagmus, hereditary nystagmus, infancy nystagmus, lid nystagmus, monocular nystagmus, pendular nystagmus, periodic nystagmus, rotary nystagmus, see-saw nystagmus, spontaneous nystagmus, vertical obesity obesity, childhood obsessive-compulsive disorder obstetric complications obstetric neurologic injuries occipital lobe occipital lobe, infarction occipital lobe, infarction, bilateral occipital lobe, lesion of occipitoatlantal instability occupational neurologic disorders octreotide ocular bobbing ocular motility, disorders of Oculinum oculocardiac reflex oculocutaneous albinism oculodentodigital dysplasia odontoid process odontoid process, aplasia old age, driving and old age, neurology of oligodendroglioma oligospermia oliguria onchocerciasis one and a half syndrome opened mouth operculum syndrome operculum syndrome, bilateral ophelia syndrome ophthalmic artery occlusion ophthalmoplegia ophthalmoplegia, congenital ophthalmoplegia, neonatal ophthalmoplegia, painful ophthalmoplegia, progressive external ophthalmoplegia, recurrent ophthalmoplegia, total ophthalmoplegic migraine opiate opisthotonus Oppenheim muscular dystrophy opportunistic infection opportunistic infection, CNS opsoclonus opsoclonus, differential diagnosis of opsoclonus-myoclonus syndrome optic atrophy optic atrophy, bilateral optic atrophy, hereditary optic canal optic canal, enlargement of optic chiasm optic chiasm, enlarged optic chiasm, hemorrhage in optic chiasm, lesion of optic disc optic disc edema optic foramina optic foramina, abnormal optic glioma optic nerve optic nerve sheath enhancement optic nerve sheath fenestration optic nerve, compression of optic nerve, decompression of optic nerve, enhancement optic nerve, enlarged optic nerve, hypoplasia of optic nerve, lesion of optic nerve, neoplasm of optic neuritis optic neuritis, bilateral optic neuritis, children optic neuritis, recurrent optic neuropathy optic neuropathy, bilateral optic neuropathy, hereditary optic neuropathy, ischemic optic neuropathy, ischemic, anterior optic neuropathy, nutritional optic neuropathy, toxic optic neuropathy, traumatic optic radiation optic radiation, lesion of optic tract, lesion of optical coherence tomography oral contraceptives oral contraceptives, cerbrovascular disease and oral contraceptives, neurologic complications with oral ulcerations orbit orbit, cellulitis of orbit, inflammation in orbit, injury of orbit, lesions of orbit, mass orbit, meningioma of orbit, neoplasms of orbit, pneumography of orbit, pseudotumor of orbital apex orbital apex syndrome orbitocranial injury, penetrating organ donor organ rupture organ transplantation ornithine transcarbamylase deficiency orthostatic hypotension oscillopsia Osler's nodes osmolytes osmotic demyelination syndrome osteomyelitis osteomyelitis, skull osteomyelitis, spinal osteopetrosis osteoporosis otitis, neurologic complications with ototoxicity outcome research out-of-hospital emergency care ovarian hyperstimulation syndrome ovarian induction ovarian tumor ovary, enlarged overlap syndrome owl's eye sign of spinal cord oxalosis, primary oxcarbazepine oxidative stress oxytocin p53 gene pacemaker, cardiac-transvenous pain pain, abdominal pain, arm pain, back pain, buttock pain, calf pain, central pain, flank pain, head pain, hysterical pain, leg pain, neuropathic pain, periorbital pain, thigh pain, wrist palate, paralysis palatopharyngeal incompetence palinopsia pallor palmomental response palpebral erythema pancreatitis pancytopenia pandemic panic attacks PANK2 mutation papillary fibroelastoma, cardiac papilledema papilledema, differential diagnosis of papilledema, unilateral papillitis papillophlebitis paradichlorobenzene paraldehyde paralysis paralysis, acute paralysis, acute areflexic paramedic paramyotonia congenita paranoia paraparesis paraparesis, familial spastic paraparesis, familial spastic, classification paraparesis, familial spastic, variants paraparesis, flaccid paraparesis, progressive paraparesis, spastic paraphasias paraplegia paraplegia, acute paraplegia, recurrent parasellar syndrome parasitic infection parasitic infection, CNS paraspinal infection paraspinal swelling parechovirus encephalitis paresthesias paresthesias, feet parietal lobe, lesion of parietal lobe, syndromes of parkin gene Parkinson disease Parkinson disease, differential diagnosis of Parkinson disease, drug induced Parkinson disease, juvenile Parkinson disease, treatment of Parkinsonism syndrome parotid gland swelling parotitis paroxysmal neurologic deficits paroxysmal neurologic disorder paroxysmal tonic upgaze pars planitis partial thromboplastin time, prolonged partruition PAS positive PAS positive material in the brain past pointing patent ductus arteriosus patent foramen ovale patent foramen ovale, medical treatment patent foramen ovale, percutaneous closure patent foramen ovale, surgical treatment of pathognomonic pathology patient information and support pectus excavatum pediatric acute-onset neuropsychiatric syndrome pediatric autoimmune neuropsychiatric disorders associated with streptococcal infection pediatric neurology pediatric neurology, transition to adult care pediatric opioid use associated neurotoxicity pedicles of vertebrae, erosion of pelvic deep venous thrombosis pelvic mass penicillin Penumbra System peptides, brain perceptual-motor dysfunction percussion induced muscle contraction periaqueductal lesion periarteritis nodosa periarteritis nodosa in infancy pericallosal artery pericarditis perimetry perineum, numbness of perineurioma perineuritis perineuritis, optic periodic paralysis periodic paralysis, thyrotoxic periodontitis peripheral blood smear peripheral blood smear, abnormal peripheral blood stem cell transplantation peripheral nerve, lesion of peripheral pulse, absent peripheral vascular disease periventricular leukomalacia peroneal nerve peroneal nerve palsy peroxisomal disease peroxisomes perseveration persistent eustacian valve persistent vegetative state persistent vegetative state, children persistent vegetative state, etiology of personality change personality disorder pertussis pes cavus petechiae petit mal status PHACE syndrome phakomatoses phencyclidine poisoning phenobarbital phenylketonuria phenylketonuria, adult onset phenylpropanolamine pheochromocytoma Philippines phlebotomy photic stimulation photophobia photopsias photosensitivity, eye photosensitivity, skin phototherapy physical activity physical therapy pica Pick's disease pigmentary retinopathy pimozide pimozide, side effects pineal pineal, neoplasm pinealoma pink eye piperazine piracetam pitfalls pituitary pituitary stalk pituitary, adenoma pituitary, adenoma, giant pituitary, apoplexy pituitary, dysfunction pituitary, enlargement pituitary, hormones of pituitary, lesion of pituitary, microadenoma placebo placenta placenta, infection of placenta, thrombosis of placoid pigment epitheliopathy plasma cell myeloma, CNS involvement associated with plasmacytoma plasmapheresis platelet aggregation platelet inhibiting drugs PLEDs pleocytosis of cerebrospinal fluid pleocytosis of cerebrospinal fluid, neutrophilic pleural effusion pneumococcal vaccination pneumoencephalogram(PEG) pneumonia pneumothorax poison, mercury poison, neurologic problems with POLG1 gene poliomyelitis poliomyelitis vaccine poliomyelitis-like illness poliosis POLR3B polychlorinated biphenyls polycythemia, neonatal polycythemia, primary polycythemia, secondary polydipsia polyhydramnios polymerase chain reaction polymerase chain reaction, false negative polymerase chain reaction, false positive polymorphic low-grade neuroepithelial tumor of the young polymyalgia rheumatica polymyositis polymyositis, infantile polyneuritis polyneuropathy polyneuropathy, chronic inflammatory demyelinating polyneuropathy, chronic inflammatory demyelinating, childhood polyneuropathy, critically ill polyneuropathy, critically ill, children polypharmacy polysomnogram polyuria pons, atrophy pons, hypoplasia pons, infarction of pons, lesion of pontine glioma pontine hemorrhage pontine tegmental cap dysplasia Poretti-Boltshauser syndrome port wine nevus portal caval shunt positional head-hanging test positive sharp waves positive visual phenomena post concussive syndrome post hemorrhagic hydrocephalus post infectious polyneuropathy post traumatic stress disorder post traumatic vomiting posterior cerebral artery posterior cerebral artery stenosis posterior cerebral artery territory infarction posterior fossa posterior fossa, arteriovenous malformation posterior fossa, differential diagnosis of lesions of posterior fossa, lesion of posterior fossa, signs of posterior inferior cerebellar artery occlusion posterior inferior cerebellar artery syndrome posterior leukoencephalopathy syndrome posterior spinal artery infarction postictal neurologic deficits postinfectious postoperative neurologic complications postpartum postpartum cerebral angiopathy posttransplant lymphoproliferation disorder posttraumatic postural abnormality potassium channel antibodies povidone-iodine pleurodesis power outages practice guidelines Prader-Labhart-Willi syndrome precipitating factors preclinical precocious puberty pre-eclampsia pregnancy, anticonvulsants during pregnancy, neurologic complications in premarin premature infant premature infant, problems in premonitory urges prenatal pretectal syndrome prethrombic state, screening for prethrombotic state prevention of neurologic disorders primary aldosteronism primary episodic ataxia primary intracranial hypotension primary leptomeningeal gliomatosis primary thrombocythemia primitive neuroectodermal tumors procyclidine progeria prognathism prognosis progressive hemifacial atrophy progressive infantile poliodystrophy progressive multifocal leucoencephalopathy progressive muscular dystrophy progressive myoclonic epilepsy progressive neurologic disorder progressive supranuclear palsy prolactin, elevated prolactinoma propionic aciduria propofol propranolol proprioception, abnormal proptosis proptosis, unilateral prosopagnosia protein C deficiency protein S deficiency proteinuria prothrombin time prothrombin time, prolonged protocol violations proton beam therapy protozoan infection proximal muscle atrophy pruritus pseudo one and a half syndrome pseudoabducens palsy pseudoaneurysm pseudobulbar palsy pseudocoma pseudohypertrophy pseudointernuclear ophthalmoplegia pseudo-meningeal enhancement pseudomyasthenia pseudotumor pseudoxanthoma elasticum psychiatric disorder psychiatric problems in neurologic disorders psychological testing psychological testing, children psychological testing, neurologic problems psychomotor retardation psychopath psychosis psychosis, acute psychosis, childhood psychosocial aspects PTEN hamartoma tumor syndrome ptosis ptosis, acute onset ptosis, bilateral ptosis, cerebral ptosis, unilateral puberty puberty, delayed puerperium Pulfrich phenomenon pulmonary blastoma pulmonary edema pulmonary embolism pulmonary hypertension pulmonary infiltrates pulmonary stenosis pupil pupil, abnormality in neurologic disorders pupil, dilated and fixed, bilateral pupil, dilated and fixed, unilateral pupil, dilated, bilateral pupil, dilated, unilateral pupil, light reflex, abnormal pupil, oval pure motor hemiplegia pure motor stroke pure word deafness Purkinje cell Purkinje cell surface antibody putamen, lesion of putamen, lesion of, bilateral pyomyositis pyramidal tract pyramidal tract dysfunction pyramidal tract, uncrossed pyridoxine pyridoxine deficiency pyruvate dehydrogenase deficiency pyruvate metabolism, abnormality of quadrantanopia, inferior quadrantanopsia, homonymous quadrantanopsia, superior quadrigeminal plate quadriparesis quadriparesis, acute quadriplegia quality of life quinine raccoon race radiation encephalopathy, delayed radiation hypersensitivity radiation induced neoplasm radiation necrosis radiation therapy, CNS treatment and complications with radiation therapy, stereotactic radiation therapy, sterotactic, complications radiation therapy, total body radiation vasculopathy radiation, ionizing radiation, ionizing, intrauterine radicular pain radiculitis radiculopathy ragged-red fibers Ramsay Hunt syndrome Rankin score rapidly progressing neurologic illness rash rash, hand Raynaud's phenomenon reaction time reactive pleocytosis reading reading disorder, acquired reading problem, causes of recanalization, arterial recombinant activated factor VII recombinant DNA rectal biopsy rectal sphincter tone, decreased recurrent recurrent laryngeal nerve paralysis red eye Red flags reflex sympathetic dystrophy reflex sympathetic dystrophy, children refractive errors Refsum's disease regional enteritis rehabilitation for neurologic disorders release phenomena remission remote effect of cancer on the nervous system renal artery stenosis renal biopsy renal cell carcinoma renal cyst renal failure renal failure, acute renal infarct renal stones renal transplantation renal tubular acidosis renal vein thrombosis repetitive nerve stimulation reptiles respirations in CNS disease respirator respiratory arrest respiratory distress syndrome, neurologic status with respiratory failure respiratory tract infection restless leg syndrome reticulum cell sarcoma retina, abnormal retinal arteriole attenuation retinal arteriovenous malformation retinal artery occlusion retinal artery tortuosity retinal biopsy retinal branch artery occlusion retinal degeneration retinal detachment retinal hamartoma retinal hemangioma retinal hemorrhages retinal infarction retinal ischemia retinal lesion retinal microvascular disease retinal vasculitis retinitis pigmentosa retinoblastoma retinopathy Retriever Device retrobulbar neuritis retro-orbital pain retroperitoneal hemorrhage retroperitoneal mass retropulsion retrovirus Rett's syndrome revascularization, surgical reversible cerebral vasoconstrictive syndromes reversible neurologic disorder reversible splenial lesion syndrome review article Reye's syndrome Reye's syndrome, prognosis of RFLPs rhabdomyolysis rhabdomyoma, cardiac rhabdomyosarcoma rhabdomyosarcoma of heart rhabdomyosarcoma of orbit rheumatic arteritis rheumatic brain disease rheumatic fever rheumatic heart disease rheumatoid arthritis rheumatoid arthritis, neurologic complications of rhinorrhea rib fracture riboflavin transporter deficiency rickets rifampin right-left cardiac shunt rigidity riluzole risk factors risk stratification risk-benefit assessment ritalin rituximab rizatriptan rocking rodents roller coaster ride Romberg's sign root avulsion root lesion, nerve rotavirus Roth spots roundworm roving eye movements rubella encephalitis, progressive rubella syndrome rubella virus rubeola virus running runny nose saccadic eye movements saccadic eye movements, abnormal saccharin safety Salla disease salt and pepper sign saphenous nerve sarcoidosis sarcoidosis, CNS sarcoma sarcoma, osteogenic Saudi Arabia scalp hematoma scalp necrosis scalp tenderness Schilder's disease schistocytes schizophrenia sciatic neuropathy sciatica scleritis scleroderma scleroderma, neurologic involvement with SCN1A gene scoliosis scoliosis, neurologic association with scorpion sting scotoma scotoma, central scotoma, paracentral-homonymous screaming screening scuba diving sea-blue histiocytes season seat belt sedation sedimentation rate sedimentation rate, elevated seizure seizure, activation procedures seizure, adult onset seizure, advice to parents and teachers regarding seizure, age of onset seizure, bathing induced seizure, cardiac arrhythmia causing seizure, children seizure, children with asthma seizure, chromatic sensitive seizure, classification of seizure, complications following seizure, diagnosis of seizure, diencephalic seizure, differential diagnosis of seizure, driving with seizure, drug resistance seizure, drug-induced seizure, EEG normal during seizure, EEG pattern in seizure, elderly seizure, employment with seizure, equivalents seizure, etiology of seizure, familial seizure, febrile seizure, febrile, risk of epilepsy following seizure, fictitious seizure, focal seizure, focus seizure, home treatment seizure, hysterical seizure, incidence of seizure, injury following seizure, intractable seizure, intractable, treatment of seizure, kindling induced seizure, laughing as 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adjunctive therapy seizure, violence associated with seizure, walking in circles as manifestation seizure, withdrawal seizure, women seizure, workup of selective eating selective serotonin reuptake inhibitors selective vulnerability self-mutilation sella turcica, enlargement of sella turcica, erosion of selumetinib semialdehyde dehydrogenase deficiency sensorimotor stroke sensorineural hearing loss sensory level sensory loss sensory loss, leg sensory nerve action potentials sensory polyneuropathy sensory symptoms sensory testing sensory testing, split midline on septicemia seroconversion serologic testing serologic testing of cerebrospinal fluid serologic testing, false negative serologic testing, false positive seronegative serositis serotonin serotonin agonist serum alanine aminotransferase severe acute respiratory syndrome sexual abuse sexual behavior, disorder of sexual intercourse shagreen patch shaken infant syndrome shaking sheathing of retinal veins Shiga toxin shock, hypovolemic short stature shunt procedure, lumboperitoneal shunt procedure, ventricular shunt procedure, ventricular-complications of shunt procedure, ventriculo-peritoneal sick sinus syndrome sickle cell crisis sickle cell disease sickle cell trait sign language sildenafil simultanagnosia sinemet singing single photon emission computed tomography single photon emission computed tomography, thallium sinoatrial disorder, chronic sinus venosus sinuses, diseases of sinusitis Sjogren's syndrome Sjogren's syndrome, childhood Sjogren's syndrome, neurologic manifestations of skateboard injuries skiing skin cancer skin, biopsy skin, discoloration skin, hyperextensible skin, lesions in neurologic disorders skin, pale skin, temperature difference skin, thin skull bone, erosion skull bone, thickening skull fracture skull fracture, growing skull fracture, pediatric skull x-ray skull x-ray, abnormal sleep sleep apnea sleep apnea, central sleep apnea, obstructive sleep pathology and physiology sleep pathology and physiology, children slit lamp examination slit ventricle syndrome slow virus infection of CNS slurred speech small for dates infant, problems in small vessel disease small vessel vasculitis SMART syndrome smiling SMN1 gene Sneddon's syndrome sneeze snoring snout reflex soccer socialisation sodium channel dysfunction sodium valproate sodium valproate, intravenous sodium valproate, toxicity solitaire device solvent somatization disorder somatosensory evoked potentials somatostatin somatostatin analogue somnambulism somnolence sore throat South America spasmophilia spasmus nutans spastic ataxia spastic diplegia spastic dysphonia spasticity spasticity, treatment of speech disorder speech disorder, childhood speech disorder, non aphasic speech lateralization speech therapy speech, delayed development of speech, loss of speech, slowed spelling sphenoid sinus sphenoid sinus mucocele sphenoiditis spice spina bifida spinal accessory nerve spinal cord spinal cord degeneration spinal cord vasculature spinal cord, aneurysm of spinal cord, biopsy spinal cord, blood supply of spinal cord, cervical spinal cord, compression of spinal cord, embolism of spinal cord, enlargement spinal cord, extramedullary cyst of spinal cord, infarction of spinal cord, injury of spinal cord, injury, New Born spinal cord, injury, prognosis in spinal cord, intramedullary cyst of spinal cord, ischemic lesion of spinal cord, lesion of spinal cord, metastasis to spinal cord, neoplasm spinal cord, neoplasm, extramedullary spinal cord, neoplasm, infants and children spinal cord, neoplasm, intracranial seeding with spinal cord, neoplasm, intramedullary spinal cord, pathologic exam of spinal cord, transection spinal cord, vascular disorders Affecting spinal cord, vascular malformation of spinal epidural arteriovenous malformation spinal headache spinal muscular atrophy spinal muscular atrophy, adult onset spinal muscular atrophy, classification spinal muscular atrophy, intermediate form spinal reflexes spinal stenosis spinal stenosis, children and young adults spine, infection of spine, injury of spinocerebellar ataxia spinocerebellar ataxia type 1 spinocerebellar ataxia type 7 spinocerebellar degeneration spirochete infection splenectomy splenium of corpus callosum splenomegaly splinter hemorrhages spondylosis spongy degeneration of brain spontaneous remission sports medicine, neurology of sprain, cervical SPRED1 mutation squash stammering standing difficulty stare startle epilepsy startle myoclonus startle reaction static encephalopaty of childhood with neurodegeneration in adulthood status epilepticus status epilepticus, autonomic status epilepticus, intractable status epilepticus, nonconvulsive status epilepticus, out-of-hospital emergency care status epilepticus, psychogenic status epilepticus, recurrent status tetanicus steal syndrome, intracerebral steatorrhea stem cell transplantation stent, carotid artery steppage gait stereotaxic surgery stereotyped behavior stereotyped behavior, drug induced steroid steroid therapy, CNS treatment and complications with stethoscope stiff joints stillbirth stimulant drugs stimulation, deep brain stimulation, deep brain, bilateral stiripentol stool culture strabismus straight sinus straining at stool strangulation streptococcal infection streptococcus pneumoniae streptococcus viridans stress, emotional striatal encephalitis striatocapsular infarction striatonigral degeneration striatonigral degeneration, infantile striatum, lesion of striatum, lesion of, bilateral string sign stroke, completed stroke, progression of strokelike episodes strychnine poisoning stuporous Sturge-Weber syndrome stuttering subacute myelo-opticoneuropathy(S.M.O.N.)complex subacute sclerosing panencephalitis(S.S.P.E.)Dawson's disease subarachnoid fluid collection, benign subarachnoid hematoma subarachnoid hematoma, spinal subarachnoid hemorrhage subarachnoid hemorrhage, cerebral convexity subarachnoid hemorrhage, familial subarachnoid hemorrhage, interhemispheric subarachnoid hemorrhage, normal cerebral angiography with subarachnoid hemorrhage, perimesencephalic subarachnoid hemorrhage, recurrent subarachnoid hemorrhage, treatment of subaxial subluxation subclavian artery occlusion subclavian artery stenosis subclavian steal syndrome subconjunctival hemorrhage subcortical hemorrhage subcutaneous nodules subdural effusion subdural hematoma subdural hematoma, acute subdural hematoma, bilateral subdural hematoma, chronic subdural hematoma, interhemispheric subdural hematoma, isodense subdural hematoma, neonates and infants subdural hematoma, posterior fossa subdural hematoma, rebleed subdural hematoma, spinal subdural hematoma, suboccipital subdural hygroma subependymal nodules subgaleal fluid collection subgaleal hematoma subhyaloid hemorrhage substance P substantia nigra subtraction of x-rays succinate dehydrogenase deficiency suck reflex suck, poor sucrose sudden death sudden infant death syndrome sudden unexplained death in epilepsy suicide sulfite oxidase deficiency sumatriptan SUNCT syndrome superficial temporal-middle cerebral artery anastomosis superior cerebellar artery infarction superior cerebellar peduncle superior oblique palsy superior ophthalmic vein superior ophthalmic vein, dilated superior sagittal sinus thrombosis suprascapular neuropathy suprasellar lesion sural nerve survival motor neuron gene Susac's syndrome suspended sensory loss swallow evaluation sweating sweating, abnormality of swimming symmetric brain lesions sympathetic block sympathetic nervous system sympathomimetic drugs symptomatic synangiosis syncope syncope, differential diagnosis of syncope, recurrent syndactyly synkinesis syphilis, congenital syphilis, diagnosis and treatment syphilis, neurologic complications with syringomyelia systemic illness systemic juvenile idiopathic arthritis systemic lupus erythematosus systemic lupus erythematosus, childhood CNS systemic lupus erythematosus, neonatal systemic lupus erythematosus, neurologic complications with systemic lupus erythematosus, skin changes in T cell lymphoma T lesion of MCA-ICA tachycardia taekwondo Takayasu's arteritis tandem gait, ataxic Tangier's disease tapetoretinal degeneration Tapia's syndrome tardive dyskinesia tardive dyskinesia, treatment of tardive dystonia target red cells taste Tay-Sachs disease tectal glioma tectum teeth, abnormal teeth, number of in infants teeth, wide-spaced telangiectases telangiectases, periungual telangiectases, retinal temporal artery, biopsy temporal artery, tender temporal lobe temporal lobe, infarction temporal lobe, lesion temporal lobe, lesion, bilateral temporal lobe, status temporal lobectomy temporal lobectomy, complications temporomandibular joint temporomandibular joint, pain tender points tenderness tension headache tentorium cerebelli teratogenesis teratogenesis, viral teratogenic drugs teratoma teratoma, ovarian term infant Terson's syndrome testosterone testosterone, serum testosterone, serum, low tetanus tetany tetany, latent tetany, normocalcemic tetrabenazine tetracosactide tetracycline tetrahydrobiopterin tetralogy of Fallot thalamoperforating arteries thalamotomy thalamus thalamus L-sign thalamus, infarction of thalamus, infarction, bilateral thalamus, lesion of thalamus, lesion of-bilateral thalassemia thermography thiamine deficiency third nerve third nerve palsy third nerve palsy, childhood third nerve palsy, congenital third nerve palsy, cyclic third nerve palsy, partial third nerve palsy, pupil sparing in third nerve palsy, recurrent Three territory sign thrombectomy thrombin inhibitor thromboangiitis obliterans cerebri thrombocytopenia thrombocytosis thrombolysis, mechanical thrombophlebitis thrombosis, cerebral thrombosis, systemic thrombotic microangiopathy thrombotic thrombocytopenia purpura thrombus, intracardiac thrombus, mural thymectomy thymoma thyroid function tests thyroiditis thyrotoxicosis thyrotropin thyroxine tic tic, chronic multiple tic, classification of tic, motor tic, recurrent tic, sensory tic, vocal tick bite tick paralysis ticlopidine Tinel's sign tinnitus tinnitus, pulsatile tissue plasminogen activator antigen tissue plasminogen activator, intravenous titubation tizanidine Todd's paralysis toe walking Tolosa Hunt syndrome tomaculous neuropathy tone, muscle tone, muscle, increased tongue, hemiatrophy of tongue, impaired movements of tongue, numbness of tongue, protrusion of tongue, weakness tonic foot response tonic spasms tonsillar herniation of cerebellum tonsillitis top of the basilar syndrome topiramate torticollis torticollis, acute infectious torticollis, benign paroxysmal torticollis, familial torticollis, infants and children torticollis, ocular Toscana virus toxic encephalopathy toxins, nervous system toxoplasmosis, CNS tranquilizers, neurologic complications with transcutaneous electrical nerve stimulation transient global amnesia, precipitating events transient ischemic attack transient ischemic attack, etiology of transient ischemic attack, evaluation transient ischemic attack, natural history of transient ischemic attack, recurrent transient ischemic attack, treatment of transient ischemic attack, venous transient ischemic attack, young adult transient neurologic deficit transilumination of skull transluminal angioplasty, carotid artery transplacental virus infections transport of patient transposition of the great vessels trauma travel, foreign treadmill treatment of neurologic disorder treatment, empirical tremor tremor, cerebellar tremor, intention tremor, post traumatic tremor, postural tremor, rubral tremor, treatment of tremulousness trichloroethylene trichopoliodystrophy tricuspid atresia tricyclic antidepressant trigeminal artery, persistent trigeminal autonomic cephalgia trigeminal nerve trigeminal nerve, abnormality of trigeminal neuralgia trigeminal neuropathy trigeminovascular system trimethoprim-sulfamethoxazole trinucleotide repeats tripping triptans trochlear nerve trochlear nerve palsy tropical disease Trousseau's sign Trousseau's syndrome truncus arteriosus trypanosoma cruzi tuber, cortical tuberculoma tuberculoma of CNS tuberculosis tuberculosis, miliary tuberculosis, spinal tuberin tuberous sclerosis tuberous sclerosis, screening for tubular aggregates, muscle tumor necrosis factor Turner's syndrome twins type 2 muscle fiber tyrosine hydroxylase deficiency Uhthoff's syndrome ulcerative colitis ulnar nerve, compression of ulnar neuropathy ultrasonography ultrasonography, carotid artery ultrasonography, head ultrasonography, head, fetus-neonate ultrasonography, nerve umbilical-cord blood transplantation umbilical-cord phlebitis uncal herniation unconsciousness unconsciousness, episodic unconsciousness, transient undiagnosed Unverricht-Lundborg disease upgaze upgaze, paralysis of upgaze, sustained upright-tilt test urea-cycle enzymopathies ureaplasma urealyticum uremia uremic encephalopathy uric acid, low urinalysis, abnormal urinary casts urinary catecholamines urinary incontinence urinary retention urinary tract infection urinary urgency urine corproporphyrins urine test for metabolic disorders urine test in toxic screen urine, dark urticaria uterine fibroids uveitis vaccination, neurologic complications with vaccine vacuum delivery vagus nerve stimulation vagus nerve, lesion of valacyclovir valium valsalva maneuver valvulopathy Van der Knaap disease vanilmandelic acid, urine vanishing white matter varicella zoster virus varicella zoster virus, encephalitis varicella zoster virus, vasculopathy varicose veins vascular malformation, children, intracranial vascular malformation, children, intraspinal vasculitides vasculitides, benign cerebral vasculitis, large vessel vasculopathy vasculopathy, non-occlusive vasoactive substances vasoconstrictive drugs vasodilating agents in treatment of cerebrovascular disease vasospasm, cerebral vasospasm, internal carotid artery vasovagal episode vegetarianism vein of Galen Vemurafenib Venereal Disease Research Laboratory test venogram, cerebral venous ectasia venous engorgement venous hemangioma venous hypertension venous thrombosis, non-cerebral ventricle, slit-like, CAT scan ventricular enlargement ventricular septal defect ventricular tachycardia ventriculitis ventriculitis, pyogenic ventriculostomy ventriculostomy, endoscopic verapamil vertebral artery vertebral artery disease vertebral artery occlusion vertebral artery stenosis vertebral erosion vertebral-basilar insufficiency vertigo vertigo, episodic very long chain fatty acids vestibular exercises vestibular function, tests of vibratory sensation, abnormal Vietnamese vigabatrin vincristine neurotoxicity violent behavior viral infection viral infection, CNS viral isolation viral myopathy Virchow-Robin spaces, dilated virus, slow vision, blurred vision, failure of in childhood visual acuity visual acuity, decreased visual acuity, decreased, monocular visual allesthesia visual evoked response visual field defect visual field defect, altitudinal visual fields visual fields, constricted visual impairment visual loss visual loss, congenital visual loss, progressive visual loss, slow visual loss, slow-unilateral visual loss, sudden visual loss, sudden-unilateral visual loss, transient visual neglect visual obscurations, transient visual snow visual symptoms visual tracking visuospatial disturbance vitamin A vitamin A deficiency vitamin D vitamin D deficiency vitamin deficiency vitamin E vitamin E deficiency vitamin supplementation vitamin therapy vitamin, multiple vitiligo vitrectomy vitreous biopsy vitreous hemorrhage vitreous opacities vitritis vocal cord paralysis Vogt-Koyanagi-Harada syndrome vomiting, episodic vomiting, intractable vomiting, recurrent von Bonsdorff's sign Von Hippel Lindau von Willebrand factor Wada test Waldenstrom's macroglobulinemia walking walking frame walking, difficulty with water channel antibodies water intoxication watershed infarcts weakness weakness, acute weakness, congenital weakness, fatiguable weakness, generalized weakness, infant weakness, progressive weakness, proximal weaning from respirator, failure to web sites weight gain weight loss weightlifting Werdnig-Hoffman disease Werner's syndrome Wernicke's aphasia Wernicke's encephalopathy Wernicke's encephalopathy, children West disease West Nile fever Western immunoblot test wheelchair Whipple's disease white freckles white hair white matter disease white matter disease, pattern white matter disease, periventricular white matter disease, subcortical whites wide based gait wide range achievement test Williams syndrome winging of scapula Wiskott-Aldrich syndrome Wolfram syndrome Wood's light word-finding difficulty work loss workup wound healing, poor wrist drop writers cramp writing xanthopsia ximelagatran X-linked bulbospinal neuronopathy x-linked hydrocephalus x-linked intellectual deficit x-linked mental retardation x-ray, cervical spine x-ray, spine 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