Differential (Click to cross reference) abdominal distention abducens nerve paralysis abducens nerve paralysis, bilateral abducens nerve paralysis, children abortion, spontaneous abscess, cerebellum abscess, intracerebral abscess, intracerebral, tuberculous abscess, intracranial abscess, intracranial-fungal abscess, liver abscess, lung abscess, pyogenic abscess, sphenoid sinus abulia accommodation acetazolamide aciduria acne vulgaris acoustic nerve acoustic neurinoma acoustic neurinoma, bilateral acquired immunodeficiency syndrome acquired immunodeficiency syndrome myelopathy acral sensory symptoms acromegaly acronym 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 akinetic mute albendazole alcohol 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 alpha galactosidase A deficiency Alport syndrome altered states of consciousness alternating hemiplegia alternating hemiplegia of childhood Alzheimer's disease amaurosis fugax amblyopia amblyopia, toxic amenorrhea aminoacidurias amiodarone ammonia amnesia amobarbitol interview amphiphysin antibodies amyloid amyloid angiopathy, cerebral amyloidosis ANA ANA-negative systemic lupus erythematosus anaphylaxis anasarca anatomy of anemia anemia, hemolytic anergy aneurysm aneurysm, abdominal aortic 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, treatment of aneurysm, post traumatic aneurysm, posterior communicating artery aneurysm, pulmonary 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, neurologic complications with angiography, posterior fossa angioid streaks angiostrongylus cantonensis angiotensin-converting enzyme animal exposure anisocoria ankle edema ankle, swelling of anorexia anorexia nervosa anosmia anosmia, unilateral anterior choroidal artery anti GQ1b IgG antibody anti MAG antibodies anti Ro antibody antiarrhythmic drugs antibiotics antibiotics, neurologic complications with antibodies to measles anticardiolipin antibodies anticholinergic drugs anticoagulant, treatment anticoagulant, treatment in CVD anticonvulsants anticonvulsants, untoward effects of anti-myeloperoxidase 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 apraxia of eye movements aqueduct of Sylvius, obstruction aqueduct of Sylvius, stenosis aqueductal stenosis arachnodactyly arachnoiditis arachnoiditis, opticochiasmatic arcuate scotoma, differential diagnosis of area postrema area postrema syndrome areflexia Argyll Robertson pupil arm weakness Arnold Chiari malformation arrhythmia, cardiac arterial dissection arterial dissection, aorta arterial dissection, carotid arterial dissection, traumatic arteriovenous malformation arteriovenous malformation, cerebral arteritic anterior ischemic optic neuropathy arteritides arteritis, temporal arteritis, temporal, occult arthralgia arthritis arthrogryposis multiplex arylsulfatase A ascending paralysis ascites Asians aspartate aminotransferase aspartocyclase aspergillosis aspirin asthma astrocytoma asymptomatic ataxia ataxia telangiectasia ataxia, cerebellar ataxia, hereditary ataxia, progressive ataxia, sensory ataxia, truncal ataxic gait athetosis ATP1A3 gene atrial fibrillation atrial myxoma atrioventricular block atypical audiogram audiology auditory evoked brainstem potentials autism autoantibodies autoimmune disease autoimmune epilepsy autoimmune GFAP astrocytopathy automobile accidents autonomic cardiovascular reflexes autonomic dysfunction autonomic neuropathy autoregulation, cerebral azathioprine B 12 deficiency B12 Babinski sign bacteremia bacterial endocarditis, neurologic manifestations of bacterial infection bacterial infection, CNS Balint's syndrome band keratopathy barbiturate anesthesia Barkhof MR criteria for MS 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 Bassen-Kornzweig syndrome battered child syndrome Beau's lines bee sting bee sting, neurologic complications with behavioral disorder Behcet's syndrome Bence Jones protein benoxaprofen beta-D-glucon bias 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 blindness, transient blood cultures blood loss blood transfusion bone biopsy bone density bone density, increased bone marrow biopsy bone marrow transplantation bone pain bone scanning bone survey bone survey, metastatic border zone infarct Borrelia miyamotoi infection botulinum toxin 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, indication 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, metastasis to brainstem, neoplasms of bromocriptine brucellosis brucellosis, nervous system involvement with bruit bruit hydro-aerique bruit, orbit bulbar palsy burning feet burning paresthesia burning skin burst suppression pattern, electroencephalogram CA-125 cachexia cafe au lait spots calcarine artery calcification, intracranial calcification, intracranial, rim calcification, liver calcification, lymph node calcitonin 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 of uterus carcinoma, multiple cardiac arrest cardiac arrest and resuscitation cardiac catheterization, neurologic complications cardiac surgery, neurologic complications with cardiac tumor cardiomegaly cardiomyopathy caribbean caries carmustine carotid angiogram carotid artery carotid artery calcification carotid artery disease carotid artery injury 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 stenosis carotid artery stenosis, intracranial carotid artery stenosis, tandem carotid sinus syndrome carotid siphon carotid-siphon stenosis carpal tunnel syndrome carpo-pedal spasm case studies Castleman's disease CAT scan CAT scan compared to pneumoencephalogram 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, cardiac, ultrafast 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, sinus 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, expansion cavernous sinus, lesion of cavernous sinus, metastasis to cavernous sinus, syndrome cavernous sinus, thrombosis cavernous sinus, thrombosis, septic CD4 counts cellulitis central bright spot sign central nervous system, infection of central pontine myelinolysis central retinal artery occlusion central retinal vein occlusion central serous chorioretinitis central vein sign centrum semiovale cerebellar ataxia, children cerebellar atrophy, primary cerebellar atrophy, secondary cerebellar degeneration cerebellar hemangioma cerebellar hemorrhage cerebellar infarction cerebellar lesion cerebellar peduncle 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 edema cerebral edema, origin and treatment cerebral edema, vasogenic cerebral embolism cerebral embolism, cardiac origin cerebral infarction cerebral infarction, hemorrhagic cerebral infarction, small, deep cerebral ischemia cerebral palsy cerebral peduncle 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 cerebroretinal vasculopathy cerebrospinal fluid cerebrospinal fluid, abnormal cerebrospinal fluid, beta-D-glucan cerebrospinal fluid, biochemical markers of CNS tumors cerebrospinal fluid, cell culture of cerebrospinal fluid, cytology cerebrospinal fluid, cytology, false negative 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, lactic acid concentration cerebrospinal fluid, leak cerebrospinal fluid, oligoclonal bands, absent cerebrospinal fluid, oligoclonal IgG in 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, atrial myxoma cerebrovascular accident, bilateral cerebrovascular accident, delayed onset cerebrovascular accident, etiology cerebrovascular accident, familial occurrence 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, 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, infant and childhood cerebrovascular disease, risk factors in cerebrovascular disease, surgical treatment of cervical spine Charles Bonnet's syndrome 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 child abuse children chills China chlorambucil chlorpropamide chorea choreoathetosis chorioretinitis choroid biopsy choroidopathy chromophobe adenoma chromosomal abnormality chromosome 19 chronic progressive external ophthalmoplegia Churg-Strauss syndrome Chvostek sign cigar smoking cigarette smoking cis-platinum cisterna magna cisternogram, radionuclide Clinical Pathologic Conference(C.P.C.) clivus clubbing of fingers cluster, geographic 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, sudden onset comorbidities compartment syndrome complications compression fracture concentric sclerosis conduction block cone-rod dystrophy confusion confusional state, acute congenital birth defects 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 biopsy 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 edema corneal reflex, abnormal corneal ulceration Cornelia de Lange syndrome coronary artery bypass coronavirus 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 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, toxins effecting cranial nerves, vascular compression cranial neuropathy cranial neuropathy, etiology cranial neuropathy, multiple cranial neuropathy, progressive craniectomy, decompressive craniopharyngioma craniotomy C-reactive protein, elevated creatine phosphokinase(CPK)elevated creatinine, elevated critical care unit crush syndrome cry, abnormal cry, weak crying cryoglobulinemia cryopyrin-associated periodic syndrome cryptococcal meningitis cryptococcal meningoencephalitis cryptococcosis cryptorchidism Cuba cultured skin fibroblasts Cushing's syndrome cyanosis cycling cyclophosphamide cyclosporine 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, sudden deafness, unilateral deep gray nuclei 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 dexamethasone suppression test diabetes insipidus diabetes mellitus diabetes mellitus, neurologic manifestations of diabetes mellitus, ocular complications in diabetic cranialneuropathies diagnostic criteria dialysis diarrhea diarrhea, bloody diencephalon diet dietary supplement dieting differential diagnosis digital subtraction angiography digitalis intoxication dilantin diplegia, brachial diplopia diplopia, monocular diplopia, transient diplopia, vertical disability, neurological disseminated intravascular coagulation(DIC) 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 drowsiness drug abuse drug abuse, inhalation drug abuse, neurologic complications of drug addiction drug induced neurologic disorders dura, thickened dural sinus stenosis dural sinus thrombosis dural venous sinus dwarfism dysarthria dyschromatopsia dysmetria dysmorphic dysphagia dysphasia dyspnea dysthyroid ocularmyopathy dysthyroidism dystonia Eales disease ear, abnormal ear, pain in eating disorder echinococcus granulosus echocardiogram echocardiogram, transesophageal eclampsia eclampsia, postpartum ectopic pinealoma edema, leg edema, pedal edema, periorbital efficacy ejection fraction ejection fraction, abnormal electrical injury of nervous system electrocardiogram, abnormal electroencephalogram electroencephalogram, abnormalities of electroencephalogram, periodic complexes electromyogram electron microscopy electronystagmography electrophoretic pattern, serum electrophoretic pattern, urine electroretinograph ELISA embolism embolism, cholesterol embolism, retinal embolism, septic embolization, therapeutic emergencies, medical emergencies, neurologic emergencies, ocular emergency room emotional lability empty sella empty sella syndrome empyema, subdural encephalitis encephalitis, acanthamoeba encephalitis, amebic encephalitis, autoimmune 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 encephalopathy encephalopathy, acute encephalopathy, metabolic encephalopathy, post anoxic encephalopathy, progressive endarterectomy, carotid endemic area endocarditis endocarditis, acute bacterial endocarditis, Libman-Sacks endocarditis, neurologic manifestations with endocarditis, subacute bacterial endocarditis, treatment of endodermal sinus tumor endophthalmitis endoscopic surgery endoscopy endovascular therapy enophthalmous enuresis enzyme, defect eosinophilia eosinophilic granulomatosis with polyangiitis ependymal ependymitis ependymoma epidemic epidemiology of neurology episcleritis episodic disorders episodic neurologic deficits epistaxis epistaxis, recurrent Epstein-Barr virus Epstein-Barr virus, negative equinovarus Erdheim-Chester disease ergonovine erythema migrans erythema nodosum ethambutol evidence-based research evoked potentials exercise exercise intolerance exome sequencing exophthalmus exophthalmus, unilateral extracranial-intracranial arterial bypass extraocular muscle enlargement extraocular muscle lesion eye injury eye movement, disorders of eye movement, painful eye, pain in eyes, sunken Fabry's disease face, numbness of 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 failure to thrive falling false negative 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 fingerprint bodies 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 flow study, carotid artery flow study, cerebral fluctuate flu-like illness fluorescein angiography fluorescent treponema antibody absorption(FTA-ABS) fluorescent treponema antibody absorption/false positive flushing follicle stimulating hormone fontanel, bulging foot drop foramen magnum, meningioma fornix, lesion of foscarnet fourth ventricle, compression fourth ventricle, cyst fourth ventricle, enlargement of fourth ventricle, floor fourth ventricle, neoplasm of fried egg appearance frontal bossing frontal lobe, pathologic signs of frontal lobe, space occupying lesion of fundus, abnormality of funduscopic exam fungal infection fungal infection, CNS F-wave response gadobutrol gadolinium gag reflex, depressed gait disorder gait, spastic galactocerebrosidase galactorrhea gallium scan gammaglobulin therapy, intravenous ganciclovir gangliosides gastric partitioning gastrointestinal bleeding gastrointestinal disease, neurologic complications gastrointestinal perforation 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 GFAP-IgG giant cell arteritis girdle sensation glare, light-induced glaucoma glaucoma, acute glaucoma, low tension glaucoma, visual field defects in glioblastoma multiforme(astrocytoma Gr.III) glioma glioma, diffuse midline glioma, low-grade gliomatosis cerebri globe, flattened posteriorly globoid cells globus pallidus globus pallidus, lesion of globus pallidus, lesion of, bilateral glossopharyngeal nerve glucagon-like peptide-1 glucagonoma Gradenigo's syndrome gram positive cocci granulomatosis with polyangiitis granulomatous disease granulomatous hypophysitis Graves ophthalmopathy gray hair gray matter Griscelli syndrome growth hormone growth retardation Guillain Barre syndrome Guillain Barre syndrome, ophthalmoplegia in gynecomastia hair analysis Hallervorden Spatz disease hallucination hallucination, auditory hallucination, visual hallucination, visual, benign hamartoma hand weakness hands, fisted Hand-Schuller-Christian disease head bobbing head circumference head injury head injury, management of head injury, pediatric head lag headache headache, awakened by headache, awakening with headache, bilateral headache, bitemporal headache, chronic headache, elderly headache, frontal headache, hypertensive headache, intractable headache, paroxysmal headache, positional headache, postictal headache, progressive headache, recurrent headache, retro-orbital headache, severe headache, sinus headache, sudden onset of headache, temporal headache, throbbing headache, thunderclap headache, unilateral hearing loss hearing loss, bilateral hearing loss, sudden, bilateral hearing problems in children heart block heart murmur heat intolerance helminthic infection of CNS hemangioblastoma hemangioma, brainstem hematoma, intracerebral hematopoietic tissue, extramedullary hematuria, gross hematuria, microscopic hemiachromatopsia, homonymous hemianopia hemianopia, homonymous hemianopia, homonymous, bilateral hemianopia, homonymous, etiology hemianopia, isolated homonymous hemiballismus hemifacial spasm hemiparesis hemiplegia hemiplegia, progressive hemoglobin abnormality, neurologic complications of hemoglobinuria hemolytic-uremic syndrome hemorrhage, putamenal hemorrhage, thalamic hemorrhagic diathesis heparin heparin, low-molecular-weight hepatic encephalopathy 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 heterophile antibody test heterotopia hiccoughs high altitude sickness hip arthroplasty hippocampal atrophy 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 hot bath test H-sign, spinal cord human immunodeficiency virus type 1 hydatid cyst hydrocephalus hydrocephalus, acute hydrocephalus, classification of hydrocephalus, communicating hydrocephalus, complications with hydrocephalus, congenital hydrocephalus, episodic hydrocephalus, fetal hydrocephalus, non-communicating(obstructive) hydrocephalus, normal pressure hydrocephalus, normal pressure in children hydrocephalus, transient hydrocephalus, treatment of hydrocephalus, viral induced hyperadrenalism hyperammonemic encephalopathy hyperbaric oxygen hyperbilirubinemia hypercalcemia hypercapnia hypercoagulable state hyperhomocysteinemia hyperinsulinism hyperkalemia hyperosmolality hyperostosis hyperostosis corticalis generalisata familiaris hyperparathyroidism hyperphosphatasia hyperpigmentation of skin hyperpyrexia, CNS disorder causing hyperreflexia hypersegmented polys hypersensitivity reaction hypersomnia hypertension hypertension, cerebrovascular disease with hypertension, children and adolescents hypertensive encephalopathy hyperthermia hyperthyroidism hypertonia hypertonic saline hypertrichosis hypertrophic cardiomyopathy hypertrophic intracranial pachymeningitis hypertrophic intracranial pachymeningitis, etiology hypertrophic pachymeningitis, IgG4 related disease hyperventilation hyperviscosity hyperviscosity fundus hyperviscosity syndrome hypocalcemia hypocomplementemia hypoglossal nerve paralysis hypoglycemia hypoglycemic agent, oral hypoglycorrhachia hypogonadism hypokalemia hypokalemic paralysis hypokalemic periodic paralysis hypokinetic left ventricle hypomagnesemia hypomyelination hyponatremia hyponatremia with cerebral disorders hypoparathyroidism hypoparathyroidism, idiopathic hypopigmentation of skin hypopituitarism hypopyon hyposmia hypotension, systemic hypothalamus hypothalamus, damage to hypothalamus, disturbance of hypothalamus, lesion of hypothalamus, neoplasm of hypothyroidism hypothyroidism, congenital hypotonia hypotonia, infants hypoxia hypoxia, newborn hypoxic encephalopathy iatrogenic neurologic disorders ibrutinib idiopathic hypertrophic subaortic stenosis idiopathic inflammatory orbital disease IFA IgG4, serum IgG4-related disease imbalance immune checkpoint inhibitors immune reconstitution inflammatory syndrome immunization, neurologic complications with immunocompetent immunodeficiency immunoelectrophoresis, serum immunofluorescent exam of CSF cells immunohistochemistry immunologic disease immunology and the nervous system immunomodulation immunosuppression immunosuppressive agents immunotherapy implicit bias impotence impulsivity inappropriate antidiuretic(A.D.H.)hormone inappropriate antidiuretic(A.D.H.)hormone, CNS involvement with inattention inborn errors of metabolism incidence inclusion bodies inclusion bodies, intracytopasmic inclusion bodies, intranuclear incontinence, fecal incoordination increased intracranial pressure without localizing signs India infantile bilateral striatal necrosis infantile spasm infection infectious mononucleosis infectious mononucleosis, neurologic findings with infliximab influenza immunization infraorbital nerve injection neuropathy insect repellent intellectual deficit intellectual deterioration 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 pseudoobstruction intraarterial balloon embolization intracardiac electrophysiologic testing intracerebral hemorrhage intracerebral hemorrhage, causes of intracerebral hemorrhage, clot evacuation 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, pathogenesis of intracranial hypertension, benign, without papilledema intracranial pressure monitoring intracranial pressure, increased intracranial pressure, increased, treatment of intrathecal chemotherapy intrauterine intrauterine infection intrauterine infection, viral intrauterine infection, viral of CNS intravenous drug abuse intraventricular hemorrhage intraventricular hemorrhage, primary intraventricular hemorrhage, treatment intrinsic hand muscles, wasting of intubation iododeoxyuridine iridocyclitis iridoplegia iris, abnormal iritis iron, brain irritability islet cell tumor ivermectin ivy sign Jakob-Creutzfeldt disease Jakob-Creutzfeldt disease, Heidenhain variant jaundice jaw claudication jaw pain Kappa light chain biomarkers Kawasaki disease Kearns-Sayre syndrome keratitis keratitis, interstitial keratoconjunctivitis keratoconus Kernig's sign klebsiella pneumoniae Klinefelter's syndrome Krabbe's disease labyrinth, disorder of lacrimal gland lacrimal gland enlargement lactate lactic acidemia lactic dehydrogenase(LDH) lacunar infarction lateral choroidal artery lateral rectus palsy lateral sinus thrombosis Latin America Laurence-Moon-Bardet-Biedl syndrome Leber's hereditary optic neuropathy Leber's idiopathic stellate retinopathy leg weakness, bilateral leg weakness, unilateral Leigh's disease Leigh's disease, adult variety 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, decreased Lhermitte-Duclos disease Lhermitte's sign libido libido, decreased lid lid lag lidocaine life expectancy light-near dissociation, causes of limbic encephalitis limbic system linear lesion linezolid lip swelling livedo reticularis liver disease liver function enzymes liver nodules 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 luteinizing hormone Lyme disease Lyme disease, children lymphadenitis lymphadenopathy lymphadenopathy, hilar lymphocytic infundibuloneurohypophysitis lymphocytosis lymphohistiocytosis lymphoid adenohypophysitis lymphoma lymphoma involving CNS lymphoma, ocular lymphoma, primary of CNS lymphomatoid granulomatosis lysosomal storage disease lysosomes, abnoral macrocephaly macroglobulinemia macular degeneration macular degeneration, senile macular edema macular hemorrhage macular star magnesium sulfate malabsorption malaise malaria malaria, cerebral malformation, CNS, congenital malformation, vascular malformation, vascular, cerebral malformation, vascular, cryptic malformation, vascular, familial malignancy screen malignancy, occult malignant external otitis malignant optic glioma of adulthood malignant papulosis mammillary bodies mandibular neuropathy mannitol Marburg's disease marche a petits pas Marchiafava-Bignami disease Marcus Gunn pupil marihuana mast cell 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 melanoma, malignant MELAS syndrome Melkersson's syndrome memory, defect of recent memory, impairment of meningeal biopsy meningeal enhancement meningeal enhancement, nodular meningeal gliomatosis meninges meningioma meningioma, atypical meningioma, olfactory groove meningioma, sphenoid wing meningioma, suprasellar meningismus meningitis meningitis, adults meningitis, antibacterial treatment in meningitis, aseptic meningitis, bacterial meningitis, bacterial-negative CSF culture meningitis, bacteriologic etiology of meningitis, basilar 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, eosinophilic meningitis, factors influencing mortality in meningitis, fungal meningitis, fungal-negative CSF culture meningitis, helminthic meningitis, hemophilus influenza meningitis, iatrogenic 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 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 micropthalmia microsurgery microsurgery, transsphenoidal midbrain midbrain, lesion of midbrain, neoplasm of middle cerebellar peduncle 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 midline obstructive lesion migraine migraine, neuroophthalmologic findings in migraine, seizures in migraine, visual symptoms in mimics Mini Mental Status Examination misdiagnosis misnomer mitochondrial disease mitochondrial encephalomyopathy mitral valve lesion mitral valve vegetation mnemonic molecular genetics mongolism monoamines monoamines, brain monoclonal antibodies monoclonal gammopathy mononeuritis multiplex mononeuropathy mononeuropathy multiplex monoparesis monoparesis, focal mortality mosquito motor neuron disease motorcycle accidents mountain climbing movement disorder movement disorder, extrapyramidal movement disorder, hyperkinetic moyamoya moyamoya, adult MRI MRI lesion location 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, field strength MRI, field strength, high MRI, gyral enhancement MRI, high signal foci on MRI, hypointense signal foci on MRI, lesion burden MRI, linear enhancement MRI, linear lesion 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, ring sign, open MRI, serial MRI, skull bone changes MRI, spinal cord MRI, spinal cord, increased intramedullary cord signal MRI, spine MRI, sulcal hyperintensity MRI, target sign MRI, venography MRI, volumetry MRS mucopolysaccharidoses mucormycosis multiple myeloma multiple sclerosis multiple sclerosis, acute multiple sclerosis, asymptomatic multiple sclerosis, clinical patterns multiple sclerosis, diagnosis of multiple sclerosis, diagnostic criteria multiple sclerosis, differential diagnosis of multiple sclerosis, misdiagnosis multiple sclerosis, monosymptomatic multiple sclerosis, presenting manifestations multiple sclerosis, prognosis multiple sclerosis, prophylaxsis multiple sclerosis, radiologically isolated syndrome multiple sclerosis, relapsing multiple sclerosis, risk factors for multiple sclerosis, treatment of multiple sclerosis, treatment of, first attack multiple sclerosis, tumefactive muscle biopsy muscle biopsy, extraocular 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 myeloneuropathy myelopathy myelopathy, chronic progressive myelopathy, tract-specific myocardial infarction myocardial infarction, acute myocarditis myoclonic jerks myoclonus myoclonus, epilepsy myoedema myopathy myopathy, alcoholic myopathy, mitochondrial myopathy, necrotizing myopathy, steroid responsive myopathy, vacuolar myopia myopia, axial myopia, sudden onset of myopia, unilateral myositis myositis, ocular myxedema coma myxedema, neurologic manifestations of nasal septum, perforation of nasal speech nasal stuffiness natalizumab nausea and vomiting neck pain neck stiffness necrotizing vasculitis needle tracks negative neglect neisseria meningitis neonatal infection, viral neonatal screening, genetic neurologic disorders neoplasm, intracranial neoplasm, intracranial with metastasis extracranially 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-prognosis of neoplasm, metastatic to CNS-treatment of neoplasm, metastatic to eye neoplasm, metastatic to muscle neoplasm, metastatic to orbit neoplasm, peripheral nerve neoplasm, pituitary neoplasm, pituitary, treatment of 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-familial occurrence 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 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, surgery neurologic complications of, systemic cancer neurologic complications of, systemic disease neurologic disease neurologic disease, diagnoses of neurologic disease, multifocal neurologic disease, tempo neurologic examination neurologic examination, focal neurologic signs neurologic symptoms neurological intensive care neurology clinic, urgent neurolymphomatosis neuromuscular junction 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, demyelinating neuropathy, hereditary peripheral neuropathy, iatrogenic neuropathy, ischemic 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 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, periodic alternating nystagmus, primary position of gaze nystagmus, retractorius nystagmus, rotary nystagmus, see-saw nystagmus, upbeating-in primary position of gaze nystagmus, vertical obesity obicularis oculi, weakness of occipital cortex occipital lobe occipital lobe, infarction occipital lobe, infarction, bilateral occipital lobe, lesion of occipital lobe, neoplasm octreotide ocular myopathy 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, painful ophthalmoplegia, progressive external ophthalmoplegia, recurrent ophthalmoplegia, total ophthalmoplegia, unilateral opisthotonus opportunistic infection opportunistic infection, CNS opsoclonus-myoclonus syndrome optic ataxia optic atrophy optic atrophy, bilateral optic atrophy, hereditary optic atrophy, infants optic atrophy, unilateral optic canal optic canal, enlargement of optic chiasm optic chiasm, compression optic chiasm, enhancement optic chiasm, enlarged optic chiasm, hemorrhage in optic chiasm, herniation optic chiasm, lesion of optic disc optic disc cup optic disc edema optic disc ischemia optic glioma optic nerve optic nerve sheath enhancement optic nerve sheath fenestration optic nerve sheath hemorrhage optic nerve, biopsy optic nerve, blood supply of optic nerve, compression of optic nerve, decompression of optic nerve, enhancement optic nerve, enlarged optic nerve, hemorrhage in optic nerve, hypoplasia of optic nerve, infarction of optic nerve, lesion of optic nerve, neoplasm of optic nerve, tortuosity optic neuritis optic neuritis, alternating optic neuritis, bilateral optic neuritis, chiasmal optic neuritis, children 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, biopsy orbit, cellulitis of orbit, compression orbit, fat orbit, hemangioma 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, vascular malformation 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 osteoblastic lesions, causes of osteolytic lesion, causes of osteomyelitis osteopetrosis otitis, neurologic complications with ototoxicity overlap syndrome owl's eye sign of spinal cord pacemaker, cardiac-transvenous 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 palinopsia pallidotomy palpitations pancreatitis pancytopenia papilledema papilledema, differential diagnosis of papilledema, unilateral papillitis papillophlebitis papovavirus paradichlorobenzene paralysis paralysis, acute areflexic paramagnetic rim lesion, MR 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 parietal lobe, infarction parietal lobe, lesion of parietal lobe, neoplasm Parkinson disease Parkinson disease, dystonia with Parkinson disease, surgical treatment of Parkinson disease, unilateral Parkinsonism syndrome parotid gland swelling parotitis paroxysmal hemiplegia paroxysmal neurologic deficits paroxysmal neurologic disorder pars planitis partial thromboplastin time, 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pituitary, enlargement pituitary, hormones of pituitary, insufficiency of pituitary, lesion of pituitary, metastasis to pituitary, microadenoma 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 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, lymphomatous polyradiculoneuropathy polyuria pons, atrophy pons, lesion of pontine glioma porphyria positive visual phenomena posterior cerebral artery occlusion posterior cerebral artery territory infarction 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 postictal neurologic deficits postoperative neurologic complications postoperative visual loss postpartum postpartum cardiomyopathy postpartum cerebral angiopathy postpartum cortical blindness povidone-iodine pleurodesis practice guidelines praziquantel precipitating factors precocious puberty pre-eclampsia pregnancy, neurologic complications in premature infant prenatal diagnosis by amniocentesis pre-retinal hemorrhage pretectal area pretectal syndrome prethrombotic state prevention of neurologic disorders primary aldosteronism primary leptomeningeal gliomatosis prion disease prisoners of war, neurologic complications in prognathism prognosis progressive multifocal leucoencephalopathy progressive neurologic disorder prolactin prolactin, elevated prolactinoma propionic aciduria proprioception, abnormal proptosis proptosis, bilateral proptosis, unilateral protein C deficiency protein S deficiency proteinuria prothrombin time, prolonged protozoan infection pruritus pseudomyasthenia pseudotumor pseudoxanthoma elasticum 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 lesion pulmonary mass pulmonary nodules 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, midposition and fixed, unilateral pupil, tonic pure motor hemiplegia purpura putamen, lesion of putamen, lesion of, bilateral pyramidal tract pyramidal tract dysfunction pyruvate metabolism, abnormality of quadrantanopia, inferior quadrantanopsia, homonymous quadrantanopsia, superior quadriparesis quadriplegia quality of life quinine rabies, nervous system involvement with radiation encephalopathy, delayed radiation necrosis radiation therapy, CNS treatment and complications with radiation therapy, stereotactic radiculopathy radioimmunoassay 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 reading disorder, acquired real-time quaking-induced conversion recanalization, arterial 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 release phenomena remote effect of cancer on the nervous system renal biopsy renal cell carcinoma renal failure renal failure, acute renal stones renal transplantation renal tubular acidosis respirations in CNS disease respiratory distress syndrome, neurologic status with respiratory failure respiratory tract infection restrictive ophthalmopathy reticulum cell sarcoma retina, abnormal retinal arteriole attenuation retinal artery embolism retinal artery occlusion retinal atrophy retinal biopsy retinal branch artery occlusion retinal degeneration retinal detachment retinal exudates 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 occlusion retinitis pigmentosa retinoblastoma retinopathy retinopathy, ischemic retrobulbar neuritis retro-orbital pain retroperitoneal fibrosis retroperitoneal mass retropulsion revascularization, surgical reversible cerebral vasoconstrictive syndromes reversible neurologic disorder review article RFLPs rhabdomyosarcoma rhabdomyosarcoma of orbit rheumatic heart disease rheumatoid arthritis rheumatoid arthritis factor(R.A.factor) rhinocerebral phycomycoses rhinorrhea rhinorrhea, CSF rickets rickettsial organism Riddoch phenomenon rigidity risk factors rituximab Rocky Mountain spotted fever Romberg's sign root lesion, nerve Rosai-Dorfman disease Roth spots rubella virus rubeola virus safety salivary gland enlargement sarcoidosis sarcoidosis, CNS sarcoidosis, ocular sarcoma SATCHMO Saturday night retinopathy scalp tenderness scannig speech Schilder's disease schizophrenia sciatic neuropathy sciatica scintillations scleritis sclerosis, bone sclerosteosis 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, occipital lobe seizure, psychomotor-temporal lobe seizure, visual loss with seizure, withdrawal selective eating selenium sella turcica, enlargement of sella turcica, tomography of seminoma sensorineural hearing loss sensory level sensory loss sensory loss, cutaneous septicemia serologic testing serologic testing of cerebrospinal fluid serologic testing, false negative seronegative serum alanine aminotransferase serum osmolarity serum tumor markers 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-peritoneal sialadenitis sicca syndrome sickle cell crisis sickle cell disease sickle cell trait sildenafil simultanagnosia single photon emission computed tomography 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 x-ray skull x-ray, abnormal skull x-ray, bony defect on skull, metastatic carcinoma to slit lamp examination slit ventricle syndrome slurred speech small for dates infant, problems in small vessel disease small vessel vasculitis small-bowel bypass sneeze somatostatin analogue somnolence sonophobia sore throat spastic diplegia spasticity speech disorder speech disorder, childhood speech, loss of sphenoid sinus sphenoid sinus biopsy sphenoid sinus mucocele sphenoiditis sphenoidotomy 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 spine, metastasis to spinocerebellar ataxia spinocerebellar ataxia type 1 spinocerebellar ataxia type 7 spinocerebellar degeneration 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 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 streptococcus pneumoniae stress, emotional striatonigral degeneration striatonigral degeneration, infantile striatum, lesion of striatum, lesion of, bilateral stridor string sign stroke, progression of strokelike episodes stuporous Sturge-Weber syndrome 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 subcortical U fibers 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 superior oblique palsy superior ophthalmic vein superior ophthalmic vein, dilated superior orbital fissure superior orbital fissure syndrome superior orbital fissuritis superior sagittal sinus thrombosis suprasellar lesion sural nerve Susac's syndrome sweating symmetric brain lesions symptomatic synangiosis syncope syncope, differential diagnosis of syndactyly syphilis, congenital syphilis, diagnosis and treatment syphilis, meningomyelitis syphilis, neurologic complications with syphilis, ocular syringomyelia systemic illness systemic lupus erythematosus systemic lupus erythematosus, neurologic complications with systemic lupus erythematosus, neuro-opthal.complications with systemic lupus erythematosus, skin changes in systemic mastocytosis tabes dorsalis tachycardia Takayasu's arteritis talk tandem gait, ataxic tapetoretinal degeneration taste tattoo tectal glioma tectum telangiectases telangiectases, retinal telemedicine teleneurology temozolomide temporal artery temporal artery, biopsy temporal artery, tender temporal lobe, agenesis temporal lobe, infarction temporal lobe, lesion temporal lobe, lesion, bilateral temporal lobe, tumor temporalis muscle wasting tendonitis tentorium cerebelli teratogenesis teratogenic drugs teratoma term infant Terson's syndrome testicular biopsy testosterone, serum testosterone, serum, low tetany 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 Three territory sign thrombectomy thrombocytopenia thrombocytosis thrombophlebitis thrombotic microangiopathy thyroiditis 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 top of the basilar syndrome topiramate torticollis toxic encephalopathy toxins, nervous system toxoplasma gondii 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 trinucleotide repeats trochlear nerve trochlear nerve palsy tropical disease Trousseau's sign tuberculin skin test, positive tuberculoma tuberculoma of CNS tuberculosis 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, paralysis of upright-tilt test upward deviation of eyes upward transtentorial herniation urea-cycle enzymopathies uremia urinary catecholamines urinary frequency urinary incontinence urinary retention urinary urgency urine test for metabolic disorders Usher's syndrome uterus, enlarged uvea, lesion of uveal melanocytic proliferation uveitis uveomeningitis vaccination, neurologic complications with vaccine vagal neuropathy vaginal bleeding vagus nerve, lesion of valsalva maneuver varicella zoster virus 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 sinus atresia venous thrombosis, non-cerebral ventricle, slit-like, CAT scan ventricular enlargement ventriculitis ventriculostomy ventriculostomy, endoscopic vertebral artery occlusion vertebral-basilar insufficiency vertigo vertigo, episodic vestibulopathy vibratory sensation, abnormal viral infection viral infection, CNS Virchow-Robin spaces, dilated 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 defect, bilateral visual fields visual fields, confrontation-color visual fields, confrontation-finger visual fields, constricted visual impairment visual loss visual loss, alternating visual loss, delayed 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 symptoms, cardio-vascular disease causing visual tracking visuospatial disturbance vitamin A vitamin A deficiency vitamin deficiency vitamin E vitamin E deficiency vitamin supplementation 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 Hippel Lindau Waldenstrom's macroglobulinemia walking frame walking, difficulty with Wallerian degeneration war water channel antibodies 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 matter disease white matter disease, periventricular white matter disease, subcortical whites wide based gait Wolfram syndrome word-finding difficulty workup xanthopsia xerophthalmia xerostomia x-ray, lumbar spine Zika virus infection zinc zoster sine herpete

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