Differential (Click to cross reference) abdominal distention abdominal tenderness abducens nerve paralysis abducens nerve paralysis, bilateral abducens nerve paralysis, children abiotrophy abortion, spontaneous abscess, cerebellum abscess, intracerebral abscess, intracerebral, tuberculous abscess, intracranial abscess, intracranial-fungal abscess, sphenoid sinus abulia accommodation accomodation, abnormal acetazolamide aciduria acoustic nerve acoustic neurinoma acoustic neurinoma, bilateral acquired immunodeficiency syndrome acquired immunodeficiency syndrome myelopathy acromegaly acronym activities of daily living scale acute disseminated encephalomyelitis acute intermittant porphyria acute necrotizing encephalitis acute respiratory distress syndrome acyclovir addiction, heroin addiction, heroin-neurologic complications with Addison's disease Adies pupil adolescent medicine adrenal mass adrenoleukodystrophy adrenoleukodystrophy, carrier adrenomyeloneuropathy advances in neurology adverse drug reaction afebrile agenesis of corpus callosum ageusia agitation Aicardi's syndrome albendazole alcohol alcohol intolerance alcohol intoxication alcohol, heart involvement with alcohol, neurologic complications with alcoholic blackout alcoholic coma alcoholic dementia alcoholic polyneuropathy alcoholic withdrawal states, DT's, convulsions, etc. alcoholism algorithm allergy alopecia Alport syndrome altered states of consciousness alternating hemiplegia alternating hemiplegia of childhood alternating rapid movement Alzheimer's disease amaurosis fugax amblyopia amblyopia, toxic amenorrhea aminoacidurias aminoglycoside amiodarone ammonia amnesia amnesia, concussion amnesia, head injury causing amobarbitol interview amphiphysin antibodies amphotericin B amyloid amyloid angiopathy, cerebral amyloidosis amyloidosis, oculoleptomeningeal, familial ANA anasarca anatomy of anemia anemia, hemolytic anergy anesthesia, spinal aneurysm aneurysm, abdominal aortic aneurysm, anterior communicating aneurysm, berry aneurysm, cavernous sinus aneurysm, cavernous sinus-bilateral aneurysm, fungal intracranial aneurysm, fusiform aneurysm, giant cerebral aneurysm, infraclinoid aneurysm, internal carotid artery aneurysm, intracranial aneurysm, intracranial, acute deterioration aneurysm, intracranial, treatment of aneurysm, post traumatic aneurysm, posterior communicating artery aneurysm, ruptured aneurysm, supraclinoid aneurysm, thoracic aortic aneurysm, vertebral basilar system angiitis angiitis, granulomatous of CNS angiitis, isolated of CNS angiography, cerebral, beaded vessels angiography, cerebral angiography, cerebral, false negative angiography, cerebral, negative angiography, posterior fossa angiostrongylus cantonensis angiotensin-converting enzyme animal exposure anisocoria ankle edema ankle, swelling of anorexia anorexia nervosa anosmia anosmia, unilateral anterior choroidal artery anthrax anti GQ1b IgG antibody anti MAG antibodies antiarrhythmic drugs antibiotics antibiotics, neurologic complications with anticardiolipin antibodies anticholinergic drugs anticoagulant, complications of anticoagulant, restarting anticoagulant, reversal of anticoagulant, treatment anticoagulant, treatment in CVD anticonvulsants anticonvulsants, untoward effects of antifibrinolytic drugs antineutrophil cytoplasmic autoantibodies antiparasitic therapy antiphospholipid antibodies antiphospholipid antibody syndrome antiretinal antibodies antiviral agents anxiety aortic valve, stenosis Apgar score aphasia apnea apnea, primary central apraxia aqueduct of Sylvius, obstruction aqueduct of Sylvius, stenosis aqueductal stenosis arachnodactyly arachnoid web arachnoiditis arachnoiditis, opticochiasmatic arcuate scotoma, differential diagnosis of area postrema area postrema syndrome areflexia Argyll Robertson pupil arm weakness Arnold Chiari malformation arrhythmia, cardiac arrhythmia, CNS causes of arterial dissection arterial dissection, aorta arterial dissection, carotid arterialization of conjunctival vessels arteriovenous malformation arteriovenous malformation, cerebral arteritic anterior ischemic optic neuropathy arteritides arteritis, temporal arthralgia arthritis arthrogryposis multiplex artificial intelligence arylsulfatase A arylsulfatase B ascending paralysis ascites Asians aspartate aminotransferase aspartocyclase aspergillosis aspirin asterixis asthma astrocytoma asymptomatic ataxia ataxia telangiectasia ataxia, cerebellar ataxia, hereditary ataxia, progressive ataxia, sensory ataxia, truncal ataxic gait athetosis ATP1A3 gene atrial fibrillation atypical audiogram audiology auditory evoked brainstem potentials aura autism autoantibodies autoimmune disease autoimmune epilepsy autoimmune GFAP astrocytopathy autonomic cardiovascular reflexes autonomic dysfunction autonomic nervous system autonomic neuropathy autoregulation, cerebral axonal degeneration azathioprine B 12 deficiency B12 Babinski sign bacterial endocarditis, neurologic manifestations of bacterial infection bacterial infection, CNS ballismus, bilateral band keratopathy barbiturate barbiturate anesthesia barbiturate anesthesia, increased intracranial pressure Barkhof MR criteria for MS Barthel index bartonella henselae basal cistern basal ganglia basal ganglia, calcification of basal ganglia, hemorrhage basal ganglia, infarction basal ganglia, lesion of basal ganglia, lesion, bilateral basilar artery basilar impression basophilic stippling of red blood cells Bassen-Kornzweig syndrome battered child syndrome Beau's lines bee sting bee sting, neurologic complications with behavioral disorder Behcet's syndrome Behr's optic atrophy Bence Jones protein benoxaprofen beta-D-glucon binasal visual field defect Bing-Neel syndrome biologic markers biotin deficiency biotinidase deficiency bitemporal visual field defect black turbinate sign blacks bladder dysfunction blind spot, enlarged blindness blindness, monocular blindness, nutritional blindness, prevention of blindness, sudden blood brain barrier blood cultures blood dyscrasias, neurologic findings with blood gases, arterial blood loss blood pressure blood pressure, control blood transfusion body mass index bone biopsy bone density bone density, increased bone marrow biopsy bone marrow transplantation bone scanning bone survey bone survey, metastatic border zone infarct Borrelia miyamotoi infection botulinum toxin boxing brachial neuritis brachial neuritis, acute brachial plexus brachial plexus injury brachial plexus neuropathy brachial plexus, lesion of bradycardia brain atrophy brain biopsy brain biopsy, false negative brain biopsy, stereotaxic brain purpura brain scan brain scan, abnormal brainstem brainstem, atrophy brainstem, deformity of brainstem, glioma brainstem, glioma in children brainstem, infarction of brainstem, lesion of brainstem, neoplasms of Brazil breast feeding bromocriptine Brown syndrome brucellosis brucellosis, nervous system involvement with bruit bruit hydro-aerique bruit, cranial bruit, orbit bruit, pulsatile Budd-Chiari Syndrome bulbar palsy bulbar palsy, childhood bulbar palsy, progressive burning feet burning feet, differential diagnosis of burning paresthesia burning skin burst suppression pattern, electroencephalogram cachexia cafe au lait spots CAG repeats calcarine artery calcification, intracranial calcification, intracranial, rim calcitonin calcium, serum campylobacter infection Canavan's disease candida albicans CAR syndrome carbamazepine carbon monoxide poisoning carbonic anhydrase inhibitor carcinoma carcinoma of breast carcinoma of lung carcinoma of pancreas carcinoma of stomach carcinoma, multiple cardiac arrest cardiac arrest and resuscitation cardiac enzymes cardiac surgery, neurologic complications with cardiomegaly cardiomyopathy caribbean caries carmustine carotid angiogram carotid artery carotid artery calcification carotid artery disease carotid artery disease, noninvasive evaluation of carotid artery injury carotid artery narrowing carotid artery occlusion, neck carotid artery stenosis carotid sinus syndrome carpal tunnel syndrome carpo-pedal spasm case studies Castleman's disease cat exposure CAT scan 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, contrast enhanced CAT scan, dementia CAT scan, demyelinating disease CAT scan, disappearing lesion on CAT scan, emission CAT scan, emission, abnormal CAT scan, false negative CAT scan, gray matter enhancement CAT scan, hyperattenuation CAT scan, metrizamide CAT scan, orbits CAT scan, ring sign CAT scan, serial CAT scan, skull bone changes CAT scan, spinal cord CAT scan, spine CAT scan, venography cataracts cataracts, congenital catecholamine cat-scratch disease cauda equina cauda equina, enhancement cauda equina, lesion of caudate nucleus, lesion of caudate nucleus, lesion of, bilateral cavernous hemangioma cavernous sinus cavernous sinus syndrome, bilateral cavernous sinus, expansion cavernous sinus, lesion of cavernous sinus, metastasis to cavernous sinus, syndrome cavernous sinus, thrombosis cavernous sinus, thrombosis, septic CD4 counts celiac disease, adult cellulitis central bright spot sign central nervous system, infection of central pontine myelinolysis central retinal artery occlusion central retinal vein occlusion central serous chorioretinitis centrum semiovale cerebellar ataxia, children cerebellar atrophy, primary cerebellar atrophy, secondary cerebellar degeneration cerebellar hemangioma cerebellar hemorrhage cerebellar infarction cerebellar infarction, bilateral cerebellar lesion cerebellar pontine angle cerebellar pontine angle tumor cerebellar tonsils cerebellitis cerebellum cerebellum, disease of cerebellum, neoplasms of cerebral artery, encasement cerebral blood flow cerebral cortex cerebral cortical atrophy cerebral cortical encephaliis cerebral death cerebral edema cerebral edema, origin and treatment cerebral edema, vasogenic cerebral embolism cerebral folate deficiency syndrome cerebral infarction cerebral infarction, hemorrhagic cerebral infarction, small, deep cerebral ischemia cerebral palsy cerebral vasculature, calcification cerebral veins cerebral venous infarction 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, absorption cerebrospinal fluid, beta-D-glucan cerebrospinal fluid, biochemical markers of CNS tumors cerebrospinal fluid, cell count, normal cerebrospinal fluid, culture negative cerebrospinal fluid, cytology cerebrospinal fluid, cytology, false negative cerebrospinal fluid, decreased protein of cerebrospinal fluid, drainage of cerebrospinal fluid, elevated protein of cerebrospinal fluid, eosinophilia of cerebrospinal fluid, free kappa light chains cerebrospinal fluid, gammaglobulin of cerebrospinal fluid, gold sol.curve of cerebrospinal fluid, infusion test cerebrospinal fluid, lactic acid concentration cerebrospinal fluid, leak cerebrospinal fluid, oligoclonal bands, absent cerebrospinal fluid, oligoclonal IgG in cerebrospinal fluid, pressure cerebrospinal fluid, pressure increased cerebrospinal fluid, protein of cerebrospinal fluid, proteincytologic dissociation cerebrospinal fluid, red cells in cerebrospinal fluid, xanthochromia of cerebrospinal gliomatosis cerebrovascular accident cerebrovascular accident, acute management of cerebrovascular accident, complications with cerebrovascular accident, cost of cerebrovascular accident, delayed onset cerebrovascular accident, etiology cerebrovascular accident, incidence of cerebrovascular accident, infancy and childhood cerebrovascular accident, intrauterine cerebrovascular accident, mass effect with cerebrovascular accident, mimics cerebrovascular accident, multiple cerebrovascular accident, neonatal cerebrovascular accident, non atherosclerotic cause of cerebrovascular accident, nonarterial territory cerebrovascular accident, nonvascular territory cerebrovascular accident, postpartum cerebrovascular accident, prevention of cerebrovascular accident, prognosis in cerebrovascular accident, recurrent cerebrovascular accident, silent cerebrovascular accident, surgical treatment of cerebrovascular accident, thrombolytic agents in treatment cerebrovascular accident, time to treatment cerebrovascular accident, volume cerebrovascular accident, women cerebrovascular accident, young adult cerebrovascular disease cerebrovascular disease, cardiovascular disease with cerebrovascular disease, risk factors in cervical spine Chamberlane's line Charcot-Marie-Tooth chelation therapy chemical meningitis chemosis chemotherapy, CNS treatment and complications with chemotherapy, intra-arterial cherry red spot cherry red spot-myoclonus syndrome chest pain chest x-ray, abnormal chiasmal syndromes chickenpox children chills China chlorambucil chlordecone chlorpropamide choking chorea choreoathetosis chorioretinitis choroid plexus choroidopathy chromophobe adenoma chromosomal abnormality chromosome 19 chronic progressive external ophthalmoplegia Churg-Strauss syndrome Chvostek sign cigar smoking cigarette smoking cirrhosis cis-platinum cisterna magna cisternogram, radionuclide Clinical Pathologic Conference(C.P.C.) clioquinol clivus clonus clubbing of fingers clubfoot as related to neurologic disease coagulopathy Coats syndrome cobalt toxicity cocaine cocaine, intrauterine exposure Cockayne's syndrome Cogan's syndrome cognition coinfection cold intolerance collagen vascular disease collapsin response mediator protein 5 IgG Collier's sign colloid cyst colloid cyst of third ventricle coloboma color desaturation color vision color vision, impaired colpocephaly coma coma, management of coma, sudden onset comorbidities compartment syndrome complications compression fracture compression neuropathy concussion conduction block cone-rod dystrophy confusion confusional state, acute congenital birth defects congenital disc blurring congenital heart disease congenital heart disease, CNS complications with congenital infection, CNS congenital infection, viral congenital malformation congenital malformation, non CNS congestive heart failure conjunctival engorgement conjunctival injection conjunctivitis consanguinity contactin associated protein like 2 antibodies contractures, joint contraindications contrast sensitivity controversies in neurology conus medullaris, lesion of convergence convergence, impaired conversion reaction Coombs test, positive cop 1 copper deficiency cornea, abnormal cornea, opacity of corneal dystrophy corneal reflex, abnormal corneal ulceration Cornelia de Lange syndrome coronavirus corproporphyrins corpus callosum corpus callosum, hypoplastic corpus callosum, infarction of corpus callosum, lesion of corpus callosum, neoplasm of cortical blindness cortical blindness, transient cortical vein thrombosis cost effectiveness cotton-wool spots cough coumarin COVID-19 cranial nerve enhancement cranial nerve enlargement cranial nerve palsies cranial nerve palsies, bilateral cranial nerve palsies, recurrent cranial nerve palsies, unilateral cranial nerve palsy, alternating cranial nerve tumor cranial nerves cranial nerves, toxins effecting cranial nerves, vascular compression cranial neuropathy cranial neuropathy, etiology cranial neuropathy, multiple cranial neuropathy, progressive craniectomy, decompressive craniofacial dysostosis craniopharyngioma craniotomy C-reactive protein, elevated creatine phosphokinase(CPK)elevated critical care unit critical pathway crush syndrome cry, abnormal cry, weak crying cryofibrinogenemia cryoglobulinemia cryopyrin-associated periodic syndrome cryptococcal antigen cryptococcal meningitis cryptococcal meningoencephalitis cryptococcosis cryptorchidism Cuba cultured skin fibroblasts Cushing's syndrome cyanosis cycling cyclophosphamide cyst cyst, peritumoral cyst, arachnoid cyst, arachnoid, spinal cyst, benign intracranial cyst, cortical parenchyma cyst, neoplastic cerebellum cyst, parenchymal cyst, porencephalic cyst, subarachnoid cyst, suprasellar cyst, ventricular cystic fibrosis, neurologic complications with cysticercosis cysticercosis, cerebral cysticercosis, intraventricular cysticercosis, spinal cysticercosis, subarachnoid cytochrome c oxidase cytochrome c oxidase, deficiency cytoid bodies cytomegalic inclusion disease cytomegalovirus infection cytomegalovirus infection, congenital cytosine arabinoside Dalrymple's sign Dandy Walker malformation Dandy Walker malformation, adult D-dimer deafness deafness, bilateral deafness, congenital deafness, sudden deafness, unilateral decerebrate posture decorticate posture deep gray nuclei deep learning deferoxamine degenerative diseases of CNS dehydration delay in diagnosis delirium delusion dementia dementia, childhood dementia, reversible dementia, thalamic dementia, treatment of demyelinating disease Dengue fever denial of blindness(Antons syndrome) dental abscess dental procedure, neurologic complications with dentate nuclei dentate nuclei, lesion of depression depression, psychotic dermatitis dermatomyositis developmental disability developmental milestones developmental milestones, loss of developmental retardation diabetes insipidus diabetes mellitus diabetes mellitus, congenital and infectious disease with diabetes mellitus, neurologic manifestations of diabetes mellitus, ocular complications in diabetic amyotrophy diabetic cranialneuropathies diabetic ketoacidosis diabetic mononeuropathy diabetic ophthalmoplegia diabetic radiculopathy diabetic spinal syndromes diabetic visceral neuropathy diagnostic criteria dialysis diarrhea diarrhea, bloody diencephalon diet dietary supplement dieting differential diagnosis diffuse axonal injury digital subtraction angiography digital subtraction angiography, arterial digital subtraction angiography, venous digitalis intoxication dilantin diphtheria-tetanus-pertussis immunization diplopia diplopia, monocular diplopia, transient diplopia, vertical disability rating scale, neurological disability, neurological disorientation disseminated intravascular coagulation(DIC) dissociated sensory loss disulfiram divergence paralysis dizziness DNA probes Dominican Republic donut sign dopamine agonist doppler double-flash discrimination test down-beat nystagmus down-beat nystagmus, primary position of gaze downward deviation of eyes downward gaze, paralysis of doxycycline drowning drowsiness drug abuse drug abuse, inhalation drug abuse, neurologic complications of drug addiction drug induced neurologic disorders duplex ultrasound dura, thickened dural sinus thrombosis dwarfism dying dysarthria dyschromatopsia dysequilibrium syndrome dyskinesia dysmetria dysmorphic dysphagia dysphasia dyspnea dyspraxia dysthyroid ocularmyopathy dysthyroidism dystonia Eagle syndrome Eales disease ear, abnormal ear, pain in eating disorder echinococcus granulosus echocardiogram eclampsia ectopic pinealoma edema, leg edema, pedal edema, periorbital EDTA(ehtylenediamine tetraacetic acid) efficacy Ehlers-Danlos syndrome ejection fraction ejection fraction, abnormal electrical injury of nervous system electrical sensation electrocardiogram, abnormal electroencephalogram electroencephalogram, abnormalities of electromyogram electron microscopy electronystagmography electrophoretic pattern, CSF electrophoretic pattern, serum electrophoretic pattern, urine electroretinograph ELISA embolism embolism, cholesterol embolism, fat embolism, silent embolization, therapeutic embolization, therapeutic, coils emergencies, medical emergencies, neurologic emergencies, ocular emergency room emergency room, treatment of stroke emotional lability emphysema empty sella empty sella syndrome empyema, subdural encephalitis encephalitis, acanthamoeba encephalitis, amebic encephalitis, autoimmune encephalitis, bacterial encephalitis, brainstem encephalitis, clinical picture and treatment of encephalitis, diagnosis of encephalitis, etiology encephalitis, focal encephalitis, human immunodeficiency virus type 1 encephalitis, paraneoplastic encephalitis, recurrent encephalitis, viral encephalomalacia encephalomyelitis encephalomyelitis, parainfectious encephalomyelitis, postinfectious encephalopathy encephalopathy, acute encephalopathy, metabolic encephalopathy, neonatal encephalopathy, post anoxic encephalopathy, post traumatic encephalopathy, progressive endemic area endocarditis endocarditis, neurologic manifestations with endocarditis, subacute bacterial endocarditis, treatment of endodermal sinus tumor endometriosis endophthlamitis endoscopic surgery endoscopy endovascular therapy enophthalmous entrapment neuropathy enuresis enzyme, defect eosinophilia ependymal ependymitis ependymoma epidemic epidemiology of neurology epidural blood patch epilepsia partialis continua episcleritis episodic disorders episodic neurologic deficits epistaxis epsilon-aminocaproic acid(E.A.C.A.) Epstein-Barr virus Epstein-Barr virus, negative equinovarus Erdheim-Chester disease erythema migrans erythema nodosum erythrocyte ethambutol evidence-based research evoked potentials exercise exercise intolerance exome sequencing exophthalmus exophthalmus, bilateral exophthalmus, pulsatile exophthalmus, unilateral extraocular muscle enlargement extraocular muscle lesion eye injury eye movement, disorders of eye movement, painful eye, pain in eyes, sunken face, numbness of facial anomalies facial appearance, abnormal facial asymmetry facial nerve palsy facial nerve palsy, bilateral facial nerve palsy, recurrent facial pain facial weakness facial weakness, bilateral Factor V Leiden failed medical management failure to thrive falling false negative false negative VDRL false positive false positive VDRL falx cerebri familial farmer fasciculation fatigue feeding disorder fenfluramine fetal alcohol syndrome fever fever, recurrent fibrinoid necrosis fibrinolytic agents fibrinolytic agents, intra-venous local infusion fibromuscular dysplasia fibrous dysplasia fibrous dysplasia of orbit fine motor function, impaired finger nose finger test fingers, abnormal Fisher C.M. Fisher's syndrome fistula, arterio-venous fistula, arterio-venous, carotid-cavernous fistula, arterio-venous, dural flaccid paralysis FLAMES flavivirus floaters floppy infant flow study, carotid artery flow study, cerebral fluconazole fluctuate flu-like illness fluorescein angiography fluorescent treponema antibody absorption(FTA-ABS) fluorescent treponema antibody absorption/false positive flushing folic acid folic acid deficiency fontanel, bulging food-borne infection foot drop football neurologic injuries foramen magnum, meningioma fornix, lesion of foscarnet Foster Kennedy syndrome fourth ventricle, compression fourth ventricle, cyst fourth ventricle, enlargement of fourth ventricle, floor fourth ventricle, neoplasm of fourth ventricle, outflow obstruction fried egg appearance Friedreich's ataxia frontal bossing frontal lobe, pathologic signs of frontal lobe, space occupying lesion of fundus, abnormality of funduscopic exam fungal infection fungal infection, CNS fungal infection, CNS, treatment of furosemide F-wave response gadobutrol gadolinium gag reflex, depressed gait disorder galactocerebrosidase galactorrhea gallium scan gammaglobulin therapy, intravenous gangliosides gangliosidosis GM2 gastric partitioning gastrointestinal bleeding gastrointestinal perforation gaze deviation gaze palsy gaze palsy, horizontal gaze palsy, horizontal-bilateral gaze palsy, supranuclear gaze palsy, vertical gender gene gene mutation general paresis of the insane genetic counselling genetic diagnosis, prenatal genetic linkage genetic neurologic disorders genetic testing geniculate body, lateral genital ulcerations gentamicin GFAP-IgG giant cell arteritis girdle sensation Glasgow coma score glaucoma glaucoma, low tension glaucoma, visual field defects in glioblastoma multiforme(astrocytoma Gr.III) glioma glioma, low-grade gliomatosis cerebri globe, flattened posteriorly globoid cells globus pallidus globus pallidus, lesion of globus pallidus, lesion of, bilateral glomus jugulare tumor glossitis glossopharyngeal nerve glucagonoma glycerol glycosuria golfing golfing injuries Gradenigo's syndrome gram positive cocci granulomatosis with polyangiitis granulomatous disease grasp reflex Graves ophthalmopathy gray hair gray matter Griscelli syndrome growth hormone growth retardation Guillain Barre syndrome Guillain Barre syndrome, infantile and childhood form Guillain Barre syndrome, ophthalmoplegia in guinea pig inoculation Gunn's dots gynecomastia hair analysis Hallervorden Spatz disease hallucination hallucination, auditory hallucination, visual hamartoma hands, fisted Hand-Schuller-Christian disease handwriting head bobbing head circumference head deviation head injury head injury, management of head injury, mild head injury, pediatric head injury, prevention head injury, prognosis in head injury, severe head lag headache headache, awakened by headache, awakening with headache, bifrontal headache, bilateral headache, children headache, chronic headache, continuous headache, drug induced headache, elderly headache, focal headache, frontal headache, intractable headache, paroxysmal headache, positional headache, progressive headache, recurrent headache, retro-orbital headache, severe headache, sudden onset of headache, temporal headache, throbbing headache, thunderclap headache, treatment of headache, unilateral headache, vascular hearing hearing loss hearing loss, bilateral hearing loss, sudden, bilateral hearing problems in children heart block heart murmur heat intolerance heavy metal intoxication heel-knee-shin test helmets helminthic infection of CNS hemangioblastoma hemangioma, brainstem hemangioma, cerebral hematoma, intracerebral hematopoietic tissue, extramedullary hematuria, gross hematuria, microscopic hemiachromatopsia, homonymous hemianopia hemianopia, congenital hemianopia, homonymous hemianopia, homonymous, bilateral hemiatrophy, cerebral hemiatrophy, congenital hemiballismus hemifacial atrophy hemifacial spasm hemiparesis hemiparesis, transient hemiplegia hemiplegia, congenital hemoglobin abnormality, neurologic complications of hemoglobinuria hemolytic-uremic syndrome hemophagocytic lymphohistiocytosis, cerebromeningeal hemophagocytosis hemorrhage, intracranial, newborn hemorrhage, putamenal hemorrhage, thalamic hemorrhagic diathesis heparin heparin, low-molecular-weight hepatic encephalopathy hepatic failure hepatitis hepatitis B vaccine hepatitis C virus hepatomegaly hepatosplenomegaly heprain induced thrombocytopenia heralding manifestation herniated disc, thoracic herniation syndromes, intracranial herniation, intrasellar herpes labialis herpes simplex encephalitis herpes simplex encephalitis, diagnosis of herpes simplex encephalitis, differential diagnosis of herpes simplex encephalitis, recurrent herpes simplex encephalitis, treatment of herpes simplex myelitis herpes simplex virus herpes simplex virus infection, immunosuppressed patient herpes simplex virus, human nervous system and herpes simplex virus, localization of herpes simplex virus, malignancy with herpes simplex virus, pathogenesis of herpes simplex virus, pathology of herpes simplex, neurocutaneous lesions in herpes virus herpes virus infection herpes zoster herpes zoster, ophthalmicus herpes zoster, oticus herpes, genital heterochromia iridis heterophile antibody test heterotopia hexosaminidase-A hiccoughs high altitude sickness hip arthroplasty hip fracture hip pain hippus hirsutism Hispanics histiocytosis histochemistry histochemistry of muscle HLA hoarseness Hodgkin's disease Hodgkin's disease, neurologic involvement with holoprosencephaly Holter monitoring homocystinuria homosexual Horner's syndrome Horner's syndrome, childhood horse-riding injuries hospital length of stay hospitalization hot bath test H-sign, spinal cord human immunodeficiency virus type 1 hydatid cyst hydrazaline hydrochloride hydrocephalus hydrocephalus, acute hydrocephalus, classification of hydrocephalus, communicating hydrocephalus, complications with hydrocephalus, congenital hydrocephalus, episodic hydrocephalus, etiology 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 hyperactivity hyperadrenalism hyperammonemic encephalopathy hyperbaric oxygen hyperbilirubinemia hypercalcemia hypercapnia hypercoagulable state hyperemisis gravidarum hyperhomocysteinemia hyperinsulinism hyperkalemia hyperlipidemia hyperosmolality hyperostosis hyperostosis corticalis generalisata familiaris hyperparathyroidism hyperpigmentation of skin hyperpyrexia, CNS disorder causing hyperreflexia hypersegmented polys hypersomnia hypertension hypertension, children and adolescents hypertensive crisis hypertensive encephalopathy hypertensive retinopathy hyperthermia hyperthyroidism hypertonia hypertonic saline hypertrichosis hypertriglyceridemia hypertrophic cardiomyopathy hypertrophic intracranial pachymeningitis hypertrophic intracranial pachymeningitis, etiology hypertrophic pachymeningitis, IgG4 related disease hyperventilation hyperviscosity hyperviscosity fundus hypocalcemia hypocomplementemia hypofibrinogenemia hypoglossal nerve paralysis hypoglycemia hypoglycemic agent, oral hypoglycemic coma hypoglycorrhachia hypoglycorrhachia, causes of hypogonadism hypokalemia hypokalemic paralysis hypokalemic periodic paralysis hypokinetic left ventricle hypomyelination hyponatremia hypoparathyroidism hypoparathyroidism, idiopathic hypopigmentation of skin hypopituitarism hypopyon hyposmia hypotension, systemic hypothalamus hypothalamus, damage to hypothalamus, disturbance of hypothalamus, lesion of hypothalamus, neoplasm of hypothermia hypothyroidism hypotonia hypotonia, infants hypoxia hypoxia, newborn hypoxic encephalopathy hysterical nystagmus iatrogenic neurologic disorders ibrutinib idiopathic idiopathic hypertrophic subaortic stenosis idiopathic inflammatory orbital disease idiopathic midline granuloma IFA IgG4, serum IgG4-related disease illusions imbalance immune checkpoint inhibitors immune reconstitution inflammatory syndrome immunization, neurologic complications with immunocompetent immunoelectrophoresis, serum immunofluorescence immunofluorescent exam of CSF cells immunohistochemistry immunologic disease immunology and the nervous system immunomodulation immunosuppression immunosuppressive agents immunotherapy impotence inappropriate antidiuretic(A.D.H.)hormone inattention inborn errors of metabolism incidence inclusion bodies inclusion bodies, intracytopasmic inclusion bodies, intranuclear incontinence, fecal increased intracranial pressure without localizing signs indomethacin industrial neurologic disorders infantile bilateral striatal necrosis infantile spasm infection infectious mononucleosis infectious mononucleosis, neurologic findings with infliximab influenza immunization infraorbital nerve injection neuropathy INR values insect repellent insecticides intellectual deficit intellectual deterioration intelligence quotient interferon interferon alpha interferon beta 1-a interferon inducer internal capsule internal carotid artery internuclear ophthalmoplegia internuclear ophthalmoplegia, bilateral internuclear ophthalmoplegia, unilateral interobserver agreement intestinal biopsy intestinal pseudoobstruction intraarterial balloon embolization intracardiac electrophysiologic testing intracerebral hemorrhage intracerebral hemorrhage, causes of intracerebral hemorrhage, clot evacuation intracerebral hemorrhage, familial intracerebral hemorrhage, incidence of intracerebral hemorrhage, lobar intracerebral hemorrhage, location of intracerebral hemorrhage, multiple intracerebral hemorrhage, pathophysiology intracerebral hemorrhage, progression of intracerebral hemorrhage, recurrent intracerebral hemorrhage, treatment of intracerebral hemorrhage, young adult intracranial hemorrhage intracranial hypertension, benign intracranial hypertension, benign, children intracranial hypertension, benign, differential diagnosis intracranial hypertension, benign, men intracranial hypertension, benign, pathogenesis of intracranial hypertension, benign, recurrent intracranial hypertension, benign, without headache intracranial hypertension, benign, without papilledema intracranial hypotension intracranial pressure monitoring intracranial pressure, increased intracranial pressure, increased, treatment of intracranial pressure, signs of increased intraocular pressure, increase intrathecal chemotherapy intrauterine intrauterine infection intrauterine infection, viral intrauterine infection, viral of CNS intravenous drug abuse intraventricular hemorrhage intraventricular hemorrhage, clot evacuation intraventricular hemorrhage, primary intraventricular hemorrhage, treatment intrinsic hand muscles, wasting of intubation iododeoxyuridine iodoquinol iridocyclitis iridoplegia iris, atrophy of iritis iron, brain irritability islet cell tumor isoniazid itraconazole ivermectin jaundice jaw claudication jaw pain Jewish Kawasaki disease Kearns-Sayre syndrome keratitis keratitis, interstitial keratoconjunctivitis keratoconus Kernig's sign Klinefelter's syndrome Krabbe's disease kyphoscoliosis, neurologic causes of kyphosis labyrinth, disorder of lacrimal gland lacrimal gland enlargement lactate lactic acidemia lactic dehydrogenase(LDH) lacunar infarction lateral choroidal artery lateral rectus palsy lateral sinus lateral sinus thrombosis Latin America Laurence-Moon-Bardet-Biedl syndrome lead and the nervous system lead line, gingival lead poisoning learning disability learning disability, in children Leber's hereditary optic neuropathy Leber's idiopathic stellate retinopathy leg weakness, bilateral leg weakness, unilateral Leigh's disease Leigh's disease, adult variety lens, dislocation of lenticonus lenticular nucleus, lesion of, bilateral leptomeningeal melanoma leptospirosis lesions too numerous to count lethargy leucine rich glioma inactivated 1 antibodies leukemia leukemia, neurologic findings assoc.with leukocyte enzyme abnormality leukocytosis leukodystrophy leukoencephalopathy leukoencephalopathy, differential diagnosis leukoencephalopathy, toxic leukopenia level of consciousness level of consciousness, decreased Lhermitte-Duclos disease Lhermitte's sign libido, decreased lid lid abnormalities lid lag lidocaine life expectancy life support, withdrawal of light-near dissociation, causes of limbic encephalitis limbic system linear lesion linezolid lip swelling Lisch nodules lissencephaly lithium liver disease liver function enzymes liver transplantation livestock lollipop sign long bone lesion low back pain low birth weight lumbar drain lumbar puncture lumbar puncture, complications of lumbar puncture, indications for lumbar puncture, repeated lumbosacral plexopathy lumbosacral plexus lumbosacral radiculopathy lung biopsy lung nodule lupus anticoagulant Lyme disease Lyme disease, children lymphadenitis lymphadenopathy lymphadenopathy, hilar lymphocytosis lymphohistiocytosis lymphoma lymphoma involving CNS lymphoma, primary of CNS lymphomatoid granulomatosis lysosomal storage disease lysosomes, abnoral machine learning macrocephaly macroglobulinemia macular degeneration macular edema macular star malabsorption malaise malaria malaria, cerebral malformation, CNS, congenital malformation, vascular malformation, vascular, cerebral malformation, vascular, dural malformation, vascular, familial malformation, Vein of Galen malignancy screen malignancy, occult malignant external otitis malignant optic glioma of adulthood malignant papulosis mandibular neuropathy mannitol Marchiafava-Bignami disease Marcus Gunn pupil mastectomy, radical mastoiditis maxillary nerves McDonald criteria for MS meconium staining medial longitudinal fasciculus(MLF) medial rectus palsy median neuropathy mediastinum, lymph-node biopsy mediastinum, mass of medulla oblongata medulla oblongata, lesion of medulloblastoma megalopapilla melanoma, malignant MELAS syndrome Melkersson's syndrome memory, defect of recent memory, impairment of menarche meningeal biopsy meningeal enhancement meningeal gliomatosis meningeal thickening meninges meningioma meningioma, olfactory groove meningioma, sphenoid wing meningismus meningitis meningitis, adults meningitis, antibacterial treatment in meningitis, aseptic meningitis, bacterial meningitis, bacterial-negative CSF culture meningitis, bacteriologic etiology of meningitis, basilar meningitis, basophilic meningitis, brucellosis meningitis, candida meningitis, carcinomatous meningitis, children meningitis, chronic meningitis, clinical features of meningitis, CSF cell count-normal meningitis, CSF findings in meningitis, cysticercosis meningitis, drug induced meningitis, elderly meningitis, eosinophilic meningitis, factors influencing mortality in meningitis, fungal meningitis, fungal-negative CSF culture meningitis, helminthic meningitis, hemophilus influenza meningitis, hypersensitivity 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, noninfectious meningitis, pathophysiology meningitis, pneumococcal meningitis, predisposing factors in meningitis, prevention meningitis, prophylaxis against meningitis, recurrent meningitis, seizures with meningitis, spinal fluid smear and culture-negative meningitis, syphilitic meningitis, TB meningitis, treatment of meningoencephalitis meningoencephalitis, amoebic meningoencephalomyelitis meningomyelitis meningovascular syphilis menses menses, irregular mental retardation mental status, abnormal MERRF syndrome mesial temporal lobe metabolic acidosis metabolic disorder, primary metachromatic leukodystrophy metachromatic leukodystrophy, juvenile metastasis to bone methanol intoxication methotrexate methyl benzene methylene tetrahydrofolate reductase methylenetetrahydrofolate reductase deficiency methylmalonic aciduria Mexican Mexico microaneurysm, retinal microangiopathy, brain microangiopathy, retina microcephaly microemboli microglial nodules microhemorrhage, intracerebral microinfarcts micropolygyria micropthalmia midbrain midbrain, lesion of midbrain, neoplasm of middle cerebellar peduncle, lesion middle cerebellar peduncle, lesion, bilateral 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 Middle east midline obstructive lesion migraine migraine, neuroophthalmologic findings in migraine, seizures in migraine, visual symptoms in mimics misdiagnosis mitochondrial disease mitochondrial encephalomyopathy mnemonic molecular genetics mongolism monoamines monoamines, brain monoclonal antibodies monoclonal gammopathy mononeuritis multiplex mononeuropathy mononeuropathy multiplex monoparesis mood change moonshine mortality mosquito motion perception motor dysfunction motor neuron disease motorcycle accidents mountain climbing movement disorder movement disorder, extrapyramidal movement disorder, hyperkinetic MRI MRI pattern MRI, abdomen MRI, abnormal MRI, angiography MRI, brachial plexus MRI, CAT scan compared to MRI, contrast enhanced MRI, contrast enhanced, cloud-like MRI, contrast enhanced, subependymal MRI, cortical enhancement MRI, cranial nerves MRI, demyelinating disease MRI, diffusion weighted MRI, disappearing lesion on MRI, emergent MRI, extraocular muscle enhancement MRI, false negative MRI, false positive MRI, functional MRI, high signal foci on MRI, hypointense signal foci on MRI, lesion burden MRI, linear enhancement MRI, mass effect on MRI, mismatch between perfusion/diffusion MRI, negative MRI, nodular enhancement MRI, optic nerve MRI, orbit MRI, perfusion MRI, punctate pattern MRI, ring sign MRI, serial MRI, skull bone changes MRI, spinal cord MRI, spinal cord, increased intramedullary cord signal MRI, spine MRI, sulcal hyperintensity MRI, susceptibility weighted MRI, venography MRI, volumetry MRS mucopolysaccharidoses mucormycosis multifocal fibrosclerosis multiple myeloma multiple sclerosis multiple sclerosis, acute multiple sclerosis, asymptomatic multiple sclerosis, benign form of multiple sclerosis, children multiple sclerosis, clinical patterns multiple sclerosis, diagnosis of multiple sclerosis, diagnostic criteria multiple sclerosis, differential diagnosis of multiple sclerosis, familial multiple sclerosis, misdiagnosis multiple sclerosis, monosymptomatic multiple sclerosis, presenting manifestations multiple sclerosis, prognosis multiple sclerosis, prophylaxsis multiple sclerosis, risk factors for multiple sclerosis, treatment of multiple sclerosis, treatment of, first attack multiple sclerosis, visual symptoms in muscle atrophy, progressive muscle biopsy muscle biopsy, extraocular muscle cramp muscle pain muscle stiffness muscle tenderness muscle weakness muscle weakness, causes of muscle weakness, proximal muscular dystrophy muscular dystrophy, facioscapulohumeral myasthenia gravis myasthenia gravis, differential diagnosis myasthenia gravis, misdiagnosis of myasthenia gravis, paraneoplastic myasthenia gravis, receptor site in myasthenic syndrome mycobacterium avium-intracellulare mycoplasma mycoplasma pneumoniae mycotic aneurysm myelinolysis, extrapontine myelitis myelitis, longitudinal myelitis, transverse myelitis, transverse, recurrent myelofibrosis myelogram myeloma, osteosclerotic myelomalacia myelomeningocele myeloneuropathy myelopathy myelopathy, chronic progressive myelopathy, necrotizing myocardial infarction myocardial infarction, acute myocardial injury myocardial ischemia myocarditis myoclonic jerks myoclonus myoclonus, epilepsy myoedema myopathy myopathy, alcoholic myopathy, mitochondrial myopathy, necrotizing myopathy, steroid responsive myopathy, vacuolar myopia myositis myositis, ocular myotonia dystrophica myxedema coma myxedema, neurologic manifestations of nalidixic acid narcolepsy nasal septum, perforation of nasal speech nasal stuffiness nasopharyngeal carcinoma nausea and vomiting near reflex, spasm of neck pain neck stiffness necrotizing vasculitis needle tracks negative neisseria meningitis neonatal infection, viral neonatal screening, genetic neurologic disorders neoplasm, intracranial neoplasm, intracranial with metastasis extracranially neoplasm, intracranial, differential diagnosis of neoplasm, intracranial-presenting as head injury neoplasm, metastatic to base of skull neoplasm, metastatic to CNS neoplasm, metastatic to CNS, hemorrhagic neoplasm, metastatic to CNS-children neoplasm, metastatic to CNS-prognosis of neoplasm, metastatic to CNS-treatment of neoplasm, metastatic to muscle neoplasm, metastatic to orbit neoplasm, peripheral nerve neoplasm, pituitary neoplasm, posterior fossa neoplasm, primary intracerebral neoplasm, primary intracerebral, children 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-differential diagnosis neoplasm, primary of CNS-incidence of neoplasm, primary of CNS-intraventricular neoplasm, primary of CNS-multiple 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, skull base nephritis nerve biopsy nerve conduction studies nerve hypertrophy nerve root enhancement nerve root hypertrophy nerve root, lumbar, lesion of neuritis neuroaxonal dystrophy neuroaxonal dystrophy, infantile neurocutaneous disease neurocutaneous melanosis neurocytoma neuroendocrinology neurofibrillary degeneration neurofibroma neurofibromatosis 1 neurofibromatosis 2 neuroinfectious diseases neurolipidosis IV neurologic complications neurologic complications of, burns neurologic complications of, chronic pulmonary disease neurologic complications of, surgery neurologic complications of, systemic cancer neurologic complications of, systemic disease neurologic disease neurologic disease, diagnoses of neurologic disease, multifocal neurologic disease, multiple neurologic disease, tempo neurologic education neurologic evaluation neurologic examination neurologic examination, focal neurologic signs neurologic symptoms neurological intensive care neurology teaching neurolymphomatosis neuromuscular blockade neuromuscular junction neuromuscular junction, abnormality of neuromyelitis optica (Devic's disease) neuromyelitis optica (Devic's disease), screening neuromyelitis optica spectrum disorder neuromyelitis optica, IgG neuronal cell surface antigen neuronal ceroid-lipofuscinosis neuronopathy, sensory neuroophthalmology neuropathology neuropathology, brain neuropathy neuropathy, ataxic neuropathy, diabetic neuropathy, hereditary peripheral neuropathy, iatrogenic neuropathy, ischemic neuropathy, medication induced neuropathy, painful neuropathy, paraneoplastic neuropathy, peripheral neuropathy, peripheral, treatment neuropathy, sensory neuropathy, toxic neuropathy, vasculitic, nonsystemic neuropathy, vasculitic, systemic neuroradiology, interventional neuroretinitis neurosis neurosyphilis neurotoxic neurotoxin neurovascular compression neutropenia nevus New England next-generation sequencing night blindness night sweats nipple shield nitrous oxide nivolumab NMDA antagonists nocturia non-arteritic antererior ischemic optic neuropathy non-dominant hemisphere non-vitamin K antagonist oral anticoagulants normal nose blowing nutritional deficiency nystagmus nystagmus, dissociated nystagmus, monocular nystagmus, primary position of gaze nystagmus, retractorius nystagmus, rotary nystagmus, see-saw nystagmus, spontaneous nystagmus, upbeating-in primary position of gaze nystagmus, vertical obesity obicularis oculi, weakness of occipital lobe, infarction occipital lobe, infarction, bilateral occipital lobe, lesion of octreotide ocular fundus photography ocular motility, disorders of ocular myopathy odynophagia old age, neurology of oligodendroglioma oligospermia onchocerciasis onconeural antibodies one and a half syndrome ophthalmic artery ophthalmic artery occlusion ophthalmic migraine ophthalmoplegia ophthalmoplegia, acute ophthalmoplegia, bilateral, acute ophthalmoplegia, head injury causing ophthalmoplegia, internal ophthalmoplegia, painful ophthalmoplegia, progressive external ophthalmoplegia, recurrent ophthalmoplegia, total ophthalmoplegia, unilateral opisthotonus opportunistic infection 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optic neuritis, etiology of optic neuritis, recurrent optic neuritis, treatment of optic neuropathy optic neuropathy, bilateral optic neuropathy, hereditary optic neuropathy, ischemic optic neuropathy, ischemic, anterior optic neuropathy, ischemic, posterior optic neuropathy, muslin optic neuropathy, nutritional optic neuropathy, toxic optic neuropathy, traumatic optic radiation optic radiation, lesion of optic tract optic tract, lesion of optical coherence tomography oral contraceptives oral contraceptives, cerbrovascular disease and oral contraceptives, neurologic complications with oral ulcerations orbit orbit, abscess of orbit, biopsy orbit, cellulitis of orbit, compression orbit, fat orbit, foreign body in orbit, fractures, neurologic complications of orbit, hemangioma of orbit, hypoplasia of orbit, infarction of orbit, inflammation in orbit, injury of orbit, lesions of orbit, mass orbit, meningioma of orbit, neoplasms of orbit, pseudotumor of orbit, trauma to orbit, venography of orbital apex orbital apex syndrome orbital compartment syndrome orbitocranial injury, penetrating organ transplantation organomegaly ornithine transcarbamylase deficiency orthostatic hypotension oscillopsia Osler's nodes osmotic demyelination syndrome osteomyelitis osteopetrosis otitis, neurologic complications with ototoxicity overlap syndrome oxygen therapy pacemaker, cardiac-transvenous pachygyria pachymeningitis, cranial Paget's disease Paget's disease, psychosis in Paget's disease, spinal cord problem in pain pain, abdominal pain, arm pain, back pain, foot pain, head pain, leg pain, periorbital pain, severe pain, testicular palatal myoclonus palinopsia palpitations pancreatitis pancytopenia panic attacks papilledema papilledema, differential diagnosis of papilledema, unilateral papillitis papillophlebitis paradichlorobenzene paralysis paralysis, acute areflexic paraneoplastic cerebellar degeneration paranoia paraparesis paraparesis, familial spastic paraparesis, flaccid paraparesis, spastic paraplegia parasellar syndrome parasitic infection parasitic infection, CNS parathyroid adenoma paresthesias paresthesias, feet paresthesias, hands Parkinson disease Parkinson disease, dystonia with Parkinson disease, unilateral Parkinsonism syndrome parotid gland swelling parotitis paroxysmal hemiplegia paroxysmal neurologic deficits paroxysmal neurologic disorder paroxysmal nocturnal hemoglobinuria pars planitis PAS positive PAS positive material in the brain pathognomonic pathology patient information and support pediatric neurology pellagra penicillin pergolide perianal sensory loss periaqueductal lesion periarteritis nodosa pericarditis perimetry perineuritis perineuritis, optic peripheral blood smear peripheral blood smear, abnormal peripheral nerve, lesion of periphlebitis perisulcal infarcts perivascular enhancement periventricular leukomalacia pernicious anemia peroneal nerve palsy peroneal nerve, lesion of peroxisomal disease peroxisomes perseveration persistent vegetative state personality change personality disorder petechiae phakomatoses pheochromocytoma phonophobia phosphenes phosphenes, sound induced photophobia photophobia, central photopsias photosensitivity, skin pica pigmentary retinopathy pineal, calcification of pineal, neoplasm pinealoma pitfalls pituitary pituitary stalk pituitary stalk, lesion of pituitary, adenoma pituitary, apoplexy pituitary, insufficiency of pituitary, lesion of pituitary, metastasis to placoid pigment epitheliopathy plasma cell dyscrasia plasma cell myeloma, CNS involvement associated with plasmacytoma plasmapheresis platelet inhibiting drugs pleocytosis of cerebrospinal fluid pleocytosis of cerebrospinal fluid, neutrophilic pleural effusion pleurisy pneumatocele pneumocephalus pneumocephalus, tension pneumoencephalogram(PEG) pneumonia POEMS syndrome poliosis polycystic kidneys polycythemia, primary polycythemia, secondary polydipsia polyinosinic cytidic acid(poly IC) polymerase chain reaction polymerase chain reaction, false negative polymyalgia rheumatica polymyositis polyneuropathy polyneuropathy, chronic inflammatory demyelinating polyneuropathy, familial polyneuropathy, lymphomatous polyneuropathy, uremic polyradiculoneuropathy polyuria pons, atrophy pons, lesion of pontine glioma post infectious polyneuropathy posterior column disease posterior fossa posterior fossa, arteriovenous malformation posterior fossa, differential diagnosis of lesions of posterior fossa, lesion of posterior inferior cerebellar artery syndrome posterior leukoencephalopathy syndrome postoperative neurologic complications postoperative visual loss postpartum practice guidelines praziquantel precipitating factors precocious puberty pre-eclampsia pregnancy, neurologic complications in premature infant prenatal diagnosis by amniocentesis pretectal area pretectal syndrome prethrombotic state prevention of neurologic disorders priapism primary aldosteronism primary intracranial hypotension primary leptomeningeal gliomatosis prisoners of war, neurologic complications in prognathism prognosis progressive hemifacial atrophy progressive multifocal leucoencephalopathy progressive neurologic disorder prolactin, elevated prolactinoma propionic aciduria proprioception, abnormal proptosis proptosis, bilateral proptosis, pulsatile proptosis, unilateral protein C deficiency protein S deficiency prothrombin time, prolonged protozoan infection pruritus pseudomyasthenia psoriatic arthritis psychiatric disorder psychiatric manifestations of brain tumors psychiatric problems in neurologic disorders psychological testing psychological testing, children psychological testing, neurologic problems psychomotor retardation psychosis psychosis, acute psychosis, cause of psychotic behavior ptosis ptosis, bilateral ptosis, unilateral puerperium Pulfrich phenomenon pulmonary edema pulmonary infiltrates pulmonary mass 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 of pupil, light reflex, abnormal pupil, midposition and fixed, unilateral pupil, tonic Purkinje cell purpura putamen, lesion of putamen, lesion of, bilateral pyramidal tract pyramidal tract dysfunction pyruvate metabolism, abnormality of quadrantanopia, inferior quadrantanopsia, homonymous quadriparesis quadriplegia quality of life quinine rabies, nervous system involvement with race radiation necrosis radiation therapy, CNS treatment and complications with radiation therapy, stereotactic radiation vasculopathy radiculopathy ragged-red fibers rapid onset dystonia parkinsonism rapidly fatal neurologic illness rapidly progressing neurologic illness rash rash, hand Rathke cleft cyst raw milk ingestion Raynaud's phenomenon recanalization, arterial recombinant activated factor VII rectal sensation, impaired rectal sphincter tone, decreased recurrent recurrent laryngeal nerve paralysis red eye Red flags red free light red free light, fundus exam with reflex, brainstem refractive errors Refsum's disease regional enteritis relapsing polychondritis remote effect of cancer on the nervous system renal cell carcinoma renal failure renal failure, acute renal stones renal transplantation renal tubular acidosis respirations in CNS disease respirator respiratory distress syndrome, neurologic status with respiratory failure respiratory tract infection restless leg syndrome restrictive ophthalmopathy reticulum cell sarcoma retina, abnormal retinal arteriole attenuation retinal artery occlusion retinal branch artery occlusion retinal degeneration retinal detachment retinal hemangioma retinal hemorrhages retinal infarction retinal ischemia retinal lesion retinal nerve fiber layer retinal vasculitis retinal vasculopathy retinal vasculopathy with cerebral leukodystrophy retinal vein pulsations retinitis pigmentosa retinoblastoma retinopathy retinopathy, ischemic retinopathy, venous-stasis retrobulbar neuritis retro-orbital pain retroperitoneal fibrosis retroperitoneal mass retropulsion reversible neurologic disorder review article Reye's syndrome RFLPs rhabdomyosarcoma rhabdomyosarcoma of orbit rheumatic heart disease rheumatoid arthritis rheumatoid arthritis factor(R.A.factor) rheumatoid arthritis, neurologic complications of rheumatoid pachymeningitis rhinocerebral phycomycoses rhinorrhea rhinorrhea, CSF rickets rickettsial organism Riddoch phenomenon rifampin rigidity risk factors rituximab Rocky Mountain spotted fever Romberg's sign root lesion, nerve rooting reflex Roth spots rubella encephalitis rubella encephalitis, progressive rubella virus rubeola virus rugby safety salivary gland enlargement sarcoidosis sarcoidosis, CNS sarcoidosis, ocular sarcoma SATCHMO Saturday night retinopathy Saudi Arabia scalp tenderness scannig speech Schilder's disease schizophrenia schwannoma sciatic neuropathy sciatica scintillations scleritis sclerosis, bone sclerosteosis scoliosis scotoma scotoma, central scotoma, paracentral-homonymous scotomata, scintillating screening sea-blue histiocytes sedimentation rate sedimentation rate, elevated seizure seizure, children seizure, complications following seizure, drug-induced seizure, focal seizure, neonatal seizure, prevention of seizure, psychomotor-temporal lobe seizure, visual loss with seizure, withdrawal selective eating selenium sella turcica, enlargement of sensorineural hearing loss sensory level sensory loss sensory loss, cutaneous septicemia septo-optic dysplasia serologic test for syphilis serologic testing serologic testing of cerebrospinal fluid serologic testing, false negative seronegative serum alanine aminotransferase serum osmolarity serum sickness setting sun phenomena sexually transmitted disease sheathing of retinal veins shock, hypovolemic short stature shoulder, pain in shunt procedure, lumboperitoneal shunt procedure, ventricular shunt procedure, ventricular-complications of shunt procedure, ventriculo-atrial shunt procedure, ventriculo-peritoneal sialadenitis sicca syndrome sickle cell crisis sickle cell disease sickle cell trait sildenafil sinus, biopsy of sinus, fracture of sinus, neoplasm of sinuses, diseases of sinusitis Sjogren's syndrome Sjogren's syndrome, neurologic manifestations of skew deviation skin, biopsy skin, cherry-red skin, darkening of skin, lesions in neurologic disorders skin, thickened skull bone, thickening skull fracture skull fracture, basal skull x-ray skull x-ray, abnormal skull x-ray, bony defect on skull, metastatic carcinoma to slaughter house worker slide collection slit ventricle syndrome slurred speech small for dates infant, problems in small vessel disease small vessel vasculitis smartphone sneeze snout reflex somnolence sonophobia sore throat South America spastic diplegia spasticity speech disorder speech disorder, childhood speech, loss of sphenoid sinus sphenoid sinus biopsy sphenoid sinus mucocele sphenoiditis spina bifida spinal accessory nerve palsy spinal cord spinal cord, cervical spinal cord, compression of spinal cord, enlargement spinal cord, extramedullary cyst of spinal cord, infarction of spinal cord, ischemic lesion of spinal cord, lesion of spinal cord, metastasis to spinal cord, neoplasm spinal cord, neoplasm, extramedullary spinal cord, neoplasm, extramedullary intradural spinal cord, pathologic exam of spinal cord, vascular malformation of spinocerebellar ataxia spinocerebellar ataxia type 1 spinocerebellar ataxia type 7 spinocerebellar degeneration spinopontine atrophy, dominant spirochete infection splenium of corpus callosum splenomegaly splinter hemorrhages spongy degeneration of brain sports medicine, neurology of Spot sign spot sign, retrobulbar squamous cell carcinoma of head and neck staphylococcal protein A column therapy stare staring spells startle myoclonus startle reaction status epilepticus status epilepticus, intractable status epilepticus, nonconvulsive stem cell transplantation stent, intracranial stent, venous sinus stereotaxic surgery steroid steroid psychosis steroid responsive encephalopathy steroid therapy, CNS treatment and complications with stillbirth Stokes-Adams syndrome stooped posture strabismus Strachan's disease straight sinus streptomycin stress, emotional striatonigral degeneration striatonigral degeneration, infantile striatum, lesion of striatum, lesion of, bilateral stridor stroke disability scale stroke unit strokelike episodes stuporous Sturge-Weber syndrome styloid process, elongated subacute myelo-opticoneuropathy(S.M.O.N.)complex subacute sclerosing panencephalitis(S.S.P.E.)Dawson's disease subacute sclerosing panencephalitis, adult onset subarachnoid hemorrhage subarachnoid hemorrhage, recurrent subclavian artery stenosis subconjunctival hemorrhage subcutaneous nodules subdural effusion subdural hematoma subdural hematoma, bilateral subdural hematoma, neonates and infants subdural hygroma subependymoma subgaleal fluid collection subhyaloid hemorrhage suboccipital decompression substantia nigra subtemporal decompression sudden death suicide sulfonamides sulfone superior oblique palsy superior ophthalmic vein superior ophthalmic vein, dilated superior orbital fissure superior orbital fissure syndrome superior orbital fissuritis superior sagittal sinus superior sagittal sinus thrombosis suprasellar lesion sural nerve Susac's syndrome sweating symmetric brain lesions symptomatic syncope syncope, differential diagnosis of syndactyly syphilis, asymptomatic syphilis, congenital syphilis, diagnosis and treatment syphilis, meningomyelitis syphilis, neurologic complications with syphilis, ocular syringomyelia systemic illness systemic lupus erythematosus systemic lupus erythematosus, childhood CNS systemic lupus erythematosus, neurologic complications with systemic lupus erythematosus, neuro-opthal.complications with tabes dorsalis tachycardia talk tandem gait, ataxic tapetoretinal degeneration taste Tay-Sachs disease tectal glioma tectum telangiectases telangiectases, retinal telemedicine teleneurology temozolomide temporal artery temporal artery, biopsy temporal artery, tender temporal lobe, agenesis temporal lobe, lesion temporal lobe, lesion, bilateral temporalis muscle wasting temporomandibular joint, pain tendonitis tentorium cerebelli teratogenesis teratogenic drugs teratoma term infant Terson's syndrome testicular biopsy testosterone, serum testosterone, serum, low tetanus toxoid tetany Thailand thalamic tumors thalamus, infarction of thalamus, infarction, bilateral thalamus, lesion of thalamus, lesion of-bilateral thiamine thiamine deficiency third nerve palsy third nerve palsy, bilateral third nerve palsy, partial third nerve palsy, pupil sparing in third ventricle, mass of third ventricle, wall thirst thrombectomy thromboangiitis obliterans cerebri thrombocytopenia thrombocytosis thrombophlebitis thyrotoxicosis tick bite tinnitus tinnitus, pulsatile tissue plasminogen activator, intravenous titubation Tolosa Hunt syndrome tongue, enlarged tongue, fasciculations of tongue, hemiatrophy of tongue, numbness of tongue, ulcer tonic spasms tonsillar herniation of cerebellum tonsillitis top of the basilar syndrome torticollis toxic encephalopathy toxins, nervous system toxoplasmosis, acquired toxoplasmosis, CNS tracheostomy tram-track sign transdermal medication transderm-V transient ischemic attack transient ischemic attack, venous transient neurologic deficit transplacental virus infections transposition of the great vessels transverse sinus stenosis trauma travel, foreign treatment of neurologic disorder tremor tremor, intention tremor, postural tremulousness trichloroethylene trigeminal nerve trigeminal nerve, abnormality of trigeminal nerve, hypertrophy trigeminal nerve, lesion of trigeminal neuralgia trigeminal neuropathy trigeminal neuropathy, sensory trimethadione trimethoprim-sulfamethoxazole trinucleotide repeats trochlear nerve trochlear nerve palsy Trousseau's sign tuberculin skin test, positive tuberculoma tuberculoma of CNS tuberculosis tuberculosis, miliary tuberculous meningoencephalitis tuberous sclerosis tumefactive lesion tumor necrosis factor inhibitor tumor pseudoprogression twins Uhthoff's syndrome ulcerative colitis ulcers, fingertip ulnar nerve ulnar neuropathy ultrasonography ultrasonography, head ultrasonography, orbit umbilical-cord blood transplantation uncal herniation unconsciousness unconsciousness, transient undiagnosed upgaze upgaze, paralysis of upright-tilt test upward deviation of eyes upward transtentorial herniation urea-cycle enzymopathies uremia uremic encephalopathy uremic twitching urinary catecholamines urinary frequency urinary incontinence urinary retention urinary urgency urine corproporphyrins urine test for metabolic disorders Usher's syndrome uveitis vaccination, neurologic complications with vaccine vagal neuropathy vagus nerve, lesion of valsalva maneuver varicella zoster virus varicella zoster virus, encephalitis varicella zoster virus, vasculopathy vascular endothelial growth factor vasculitides vasculitis, cutaneous vasculopathy vasospasm, cerebral vasospasm, internal carotid artery vegetarianism vein of Galen Vemurafenib Venereal Disease Research Laboratory test venogram, cerebral venous hum venous sinus atresia ventricle, slit-like, CAT scan ventricular enlargement ventriculitis ventriculostomy ventriculostomy, endoscopic vertebral artery occlusion vertebral-basilar insufficiency vertigo vertigo, episodic vestibular function, tests of vestibulopathy vibratory sensation, abnormal Vietnamese viral infection viral infection, CNS vision loss, sequential vision, blurred vision, blurred, monocular vision, cloudy vision, failure of in childhood visual acuity visual acuity, decreased visual acuity, decreased, monocular visual evoked response visual field defect visual field defect, altitudinal visual field testing visual fields visual fields, confrontation-color visual fields, confrontation-finger visual fields, constricted visual impairment visual loss visual loss, delayed visual loss, episodic visual loss, permanent visual loss, progressive visual loss, slow visual loss, slow-unilateral visual loss, sudden visual loss, sudden-unilateral visual loss, transient visual obscurations, transient visual symptoms visual tracking vitamin A deficiency vitamin deficiency vitamin E vitamin E deficiency vitamin supplementation vitamin, multiple vitiligo vitreous hemorrhage vitreous opacities vitritis vocal cord paralysis Vogt-Koyanagi-Harada syndrome vomiting, episodic vomiting, intractable vomiting, recurrent Von Hippel Lindau Waldenstrom's macroglobulinemia walking frame walking, difficulty with war water channel antibodies water intoxication watershed infarcts weakness weakness, episodic weakness, generalized weakness, progressive weakness, proximal weight gain weight loss weight management Wernicke's encephalopathy wheelchair Whipple's disease white freckles white hair white matter disease white matter disease, periventricular white matter disease, subcortical whites wide based gait Wolfram syndrome word-finding difficulty workup xanthoma, intracranial xanthopsia xerophthalmia xerostomia x-linked hydrocephalus x-ray, lumbar spine yawning movements Zika virus infection zinc zoster sine herpete

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