Differential (Click to cross reference) abdominal cramps abdominal distention abdominal mass abdominal protrusion abdominal tenderness abducens nerve paralysis abducens nerve paralysis, bilateral abducens nerve paralysis, children abortion, spontaneous abscess, brainstem abscess, cerebellum abscess, intracerebral abscess, intracerebral, multiple abscess, intracerebral, recurrent abscess, intracerebral, treatment of abscess, intracerebral, tuberculous abscess, intracranial abscess, intracranial-fungal abscess, sphenoid sinus abulia acetylcholine receptor acetylcholine receptor antibody aciduria acoustic nerve acoustic neurinoma acquired immunodeficiency syndrome acquired immunodeficiency syndrome defining illness acquired immunodeficiency syndrome dementia complex acquired immunodeficiency syndrome dementia complex, pathogenesis acquired immunodeficiency syndrome myelopathy acquired immunodeficiency syndrome, heralded by neurologic invol ACTH acute ataxia of childhood acute cerebellar ataxia acute disseminated encephalomyelitis acute disseminated encephalomyelitis, multiphasic acute disseminated encephalomyelitis, relapsing acute intermittant porphyria acute necrotizing encephalitis acute toxic leukoencephalopathy acyclovir adalimumab ADAMTS 13 ADAMTS13 deficiency addiction, heroin addiction, heroin-neurologic complications with Addison's disease adenine arabinoside adenosine deaminase deficiency adenovirus infection adolescent medicine adrenoleukodystrophy adrenoleukodystrophy, adult onset adrenoleukodystrophy, carrier adrenomyeloneuropathy advances in neurology adverse drug reaction afebrile affect, flat affect, inappropriate Africa agammaglobulinemia ageusia aggression agitation airway obstruction akathisia akinetic mute akineton albendazole alcohol alcohol block, subarachnoid alcohol intolerance alcohol, neurologic complications with alcoholic withdrawal states, DT's, convulsions, etc. alcoholism aldolase Aldrich's syndrome alemtuzumab algorithm alkylating agents allergic angiitis allescheria boydii allodynia alopecia alpha methyldopa hydrazine alpha-fetoprotein alpha-synuclein altered states of consciousness alternating hemiplegia alternating hemiplegia of childhood alternating rapid movement, impaired alternative medicine alveolar hypoventilation Alzheimer type II astrocytosis Alzheimer's disease Alzheimer's disease, treatment of amaurosis fugax amaurosis fugax, alternating amaurosis fugax, unilateral vs.bilateral amblyopia, toxic amenorrhea aminoglycoside amiodarone amitriptyline ammonia amnesia amnesia, anterograde AMPA receptor antibodies AMPA receptors amphetamines amphetamines, dyskinesia associated with amphiphysin antibodies amphotericin B ampicillin amygdala amyloid angiopathy, cerebral amyloid angiopathy, cerebral, inflammatory type amyloid angiopathy, cerebral, tumefactive amyloid beta protein amyloid beta-related angiitis amyloid deposition amyloidosis amyotrophic lateral sclerosis amyotrophic lateral sclerosis, differential diagnosis amyotrophic lateral sclerosis, guamian type of amyotrophic lateral sclerosis, misdiagnosis amyotrophic lateral sclerosis, treatment of amyotrophic lateral sclerosis-like syndrome ANA anal cancer analgesic ANA-negative systemic lupus erythematosus anaphylaxis anasarca anastrozole anchor bias anemia anemia, megaloblastic anergy anesthesia, general anesthesia, local anesthesia, spinal aneurysm aneurysm, aortic arch aneurysm, cavernous sinus aneurysm, fungal intracranial aneurysm, fusiform aneurysm, intracranial aneurysm, intracranial, growth aneurysm, intracranial, treatment of aneurysm, multiple intracranial aneurysm, size aneurysm, vertebral basilar system angiitis angiitis, granulomatous of CNS angiitis, isolated of CNS angiitis, isolated of CNS, benign focal angiitis, isolated of CNS, tumefactive angioedema, tongue angiogram angiography, cerebral, beaded vessels angiography, cerebral angiography, cerebral, false negative angiography, cerebral, negative angiography, cerebral, serial angiography, neurologic complications with angiography, posterior fossa angioimmunoblastic lymphadenopathy angiokeratoma angioneurotic edema angiostrongylus cantonensis angiotensin-converting enzyme animal exposure ankle edema anorectics anorexia anorexia nervosa anorgasmia anosmia anoxia antecedent illness anterior horn cell disease anterior spinal artery infarction anti basal ganglia antibodies anti citrullinated antibody anti DNA agent anti GQ1b IgG antibody anti HMGCR antibody anti Hu antibody anti IgLON5 anti JC virus antibodies anti Ku antibody anti MAG antibodies anti Ri antibody anti Ro antibody anti Yo antibody antiarrhythmic drugs antibiotic prophylaxis antibiotics antibiotics, neurologic complications with antibodies to voltage-gated calcium channels anticholinergic drugs anticholinergic drugs, side effects of anticholinesterase anticoagulant, reversal of anticoagulant, treatment anticoagulant, treatment in CVD anticonvulsants anticonvulsants, bioavailability 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arbovirus area postrema area postrema syndrome areflexia Arizona arm weakness arrhythmia, cardiac artane arterial dissection arterial dissection, aorta arterial dissection, carotid arterial dissection, vertebral arteriopathy arteritic anterior ischemic optic neuropathy arteritides arteritis, temporal arteritis, temporal, intracranial involvement with arteritis, temporal, occult arteritis, temporal, recurrent artery of Adamkiewicz arthralgia arthritis artificial intelligence arylsulfatase A asparginase aspartate aminotransferase aspergillosis aspiration aspirin asplenia astereognosis asterixis asthma astrocytoma asymptomatic ataxia ataxia telangiectasia ataxia, acute onset ataxia, cerebellar ataxia, progressive ataxia, sensory ataxia, truncal ataxic gait atezolizumab athetosis atonic bladder atrial fibrillation atrioventricular block atropine atropine psychosis attention deficit disorder with hyperactivity atypical audiogram auditory and vestibular pathways auditory evoked brainstem potentials auditory evoked potentials autoantibodies autoantibody prevalence in epilepsy score autoimmune basal ganglia encephalitis autoimmune cerebellar ataxia autoimmune disease autoimmune encephalopathy autoimmune epilepsy autoimmune GFAP astrocytopathy autoimmune meningitis automobile accidents autonomic dysfunction autonomic dysfunction, acute autonomic neuropathy autonomic neuropathy, idiopathic axonal degeneration axonal injury axonal regeneration azathioprine azidodeoxythymidine B 12 deficiency B cell lymphocytes B cell lymphoma babesiosis Babinski sign back surgery baclofen bacteremia bacterial infection bacterial infection, CNS Balint's syndrome basal cistern basal ganglia basal ganglia, degeneration basal ganglia, hemorrhage basal ganglia, hemorrhage, bilateral basal ganglia, infarction basal ganglia, lesion of basal ganglia, lesion, bilateral basilar artery Bassen-Kornzweig syndrome Beau's lines behavior behavior, combative behavioral disorder behavioral disorder, acute Behcet's syndrome belladonna Bell's phenomenon benign sexual headache benzodiazepine beta adrenergic blocker beta-D-glucon bevacizumab bias Bickerstaff's brainstem encephalitis binge drinking biologic markers black turbinate sign blacks bladder dysfunction blastomycosis bleomycin blepharospasm blindness blindness, monocular blindness, sudden blood brain barrier blood cultures blood dyscrasias, neurologic findings with blood pressure blood transfusion bone age bone biopsy bone density bone density, increased bone marrow biopsy bone marrow suppression bone marrow transplantation bone pain bone scanning boomerang sign Borrelia miyamotoi infection bortezomib botulinum toxin botulinum toxin, complications of botulism botulism immune globulin botulism, infant brachial neuritis brachial plexus brachial plexus injury brachial plexus neuropathy brachium pontis bradycardia bradykinesia brain atrophy brain biopsy brain biopsy, complications of brain biopsy, false negative brain biopsy, indication 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channel dysfunction calcium pyrophosphate dihydrate deposition disease calculations calf hypertrophy California Call-Fleming syndrome calmodulin kinase-like vesicle-associated protein camphor campylobacter infection cancer associated hypercoagulation cancer associated myopathy cancer of colon cancer, cerebrovascular accident complicating patients with cancer, unknown origin candida albicans cannabinoids cannabinoids, synthetic capecitabine capsaicin captopril CAR syndrome carbamazepine carbamazepine, controlled release carbamazepine, toxicity carbenicillin carbenoxolone carbon monoxide poisoning carcinoembryonic antigen carcinoma carcinoma of bladder carcinoma of breast carcinoma of lung carcinoma of ovary carcinoma of pancreas carcinoma of stomach carcinoma of testis carcinoma of thyroid carcinoma of unknown origin carcinoma of uterus carcinoma, multiple cardiac arrest cardiac arrest and resuscitation cardiac surgery cardiac surgery, neurologic complications with cardiac transplantation cardiomegaly cardiomyopathy cardiotoxicity cardiovascular disease caries carmofur carmustine carotid angiogram carotid artery disease carotid artery occlusion, intracranial carotid artery occlusion, neck carotid artery stenosis carotid artery, enlarged external diameter carotid sinus pressure carpal tunnel syndrome carphology carpo-pedal spasm case studies Castleman's disease CAT scan CAT scan, abdomen CAT scan, abnormal CAT scan, abscess, cerebral CAT scan, angiography CAT scan, brain scan compared to CAT scan, brain tumors CAT scan, cardiac, ultrafast CAT scan, chest CAT scan, chest, tree in bud opacities CAT scan, contrast enhanced CAT scan, contrast enhanced, delayed CAT scan, contrast enhanced, double dose CAT scan, contrast enhanced, subepend. 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Cheyne Stokes respirations chickenpox children chills chlorambucil chlordiazepoxide chloride channel dysfunction chloroma chloroquine chlorpromazine cholangitis cholinergic drug chondrocalcinosis chorea chorea, autoimmune chorea, causes of chorea, senile chorea, Sydenham's chorea, treatment of choreoathetosis choriocarcinoma chorionic gonadotropin chorioretinitis choroid biopsy choroid plexus choroid plexus, abnormality of choroid plexus, enhancement choroid plexus, inflammation choroid plexus, prominence of chromatopsia chromosomal abnormality chromosome 11 chronic fatigue syndrome chronic graft versus host disease chronic lymphocytic inflammation with pontine perivascular enhancement responsive to steroids chrysotherapy, neurologic complications of Churg-Strauss syndrome cigarette smoking cimetidine cingulate gyrus cinnarizine ciprofloxacin circadian rhythm cirrhosis cis-platinum cisterna magna, enlarged cisternogram, radionuclide citrate cladribine claudication, extremity Clinical Pathologic Conference(C.P.C.) clofibrate clomipramine clonazepam clonidine cloning clonus clopidogrel clostridium septicum clozapine clubbing of fingers cluster headache cluster, geographic coagulopathy cocaine coccidioidomycosis Cockayne's syndrome coenzyme Q10 Cogan's syndrome cognition cogwheel rigidty coinfection colchicine cold hands sign cold intolerance collagen vascular disease collagenous sprue collapsin response mediator protein 5 IgG Collier's sign colloid cyst color desaturation color vision color vision, impaired coma coma, causes of coma, episodic coma, prognosis of common variable immunodeficiency comorbidities compartment syndrome compartment syndrome, gluteal compazine complement complement, serum compliance complicated migraine complications compounded drugs compression fracture compression neuropathy computers, neurologic diagnosis and concentration, impaired concentric sclerosis conduction block confabulation confusion confusional state, acute congenital heart disease congenital malformation congenital malformation, non CNS congenital myopathy congestive heart failure conjugate gaze, forced conjunctival engorgement conjunctival injection conjunctivitis consanguinity constipation contactin associated protein like 2 antibodies contractures, joint contraindications contrast agents, neurotoxicity of controversies in neurology conus medullaris, lesion of conversion reaction Coombs test, positive cop 1 cornea, abnormal cornea, opacification in infancy-causes of cornea, opacity of corneal reflex, abnormal corneal ulceration coronavirus corpus callosum corpus callosum, infarction of corpus callosum, lesion of corpus callosum, neoplasm of cortical blindness cortical blindness, transient cortical deafness cortical hemorrhage cortisol, elevated cost cost effectiveness cough coumarin COVID-19 cranial nerve enhancement cranial nerve enlargement cranial nerve palsies cranial nerve palsies, unilateral cranial nerves cranial nerves, toxins effecting cranial neuropathy cranial neuropathy, multiple cranial neuropathy, progressive craniopharyngioma Craniosynostosis craniotomy C-reactive protein C-reactive protein, elevated creatine kinase creatine phosphokinase(CPK)elevated CREST syndrome critical care unit critical illness Crowned dens syndrome cry, abnormal cry, weak crying, pathologic cryoglobulinemia cryopreservation cryopyrin-associated periodic syndrome cryptococcal antigen cryptococcal meningitis cryptococcal meningoencephalitis cryptococcoma, cerebral cryptococcosis cryptorchidism cultured skin fibroblasts Cushing's syndrome cyclophosphamide cyclosporine cyproheptidine cyst, cortical parenchyma cyst, epidermoid of CNS cyst, parenchymal cyst, porencephalic cyst, subarachnoid cysticercosis cysticercosis, cerebral cysticercosis, subarachnoid cytochrome c oxidase cytoid bodies cytokine release syndrome cytokines cytomegalic inclusion disease cytomegalovirus infection cytomegalovirus infection, congenital cytoreductive surgery cytosine arabinoside cytotoxic lesions of the corpus callosum dabrafenib daclizumab dantrolene sodium D-dimer deafness deafness, bilateral deafness, bilateral progressive vs.unilateral acute deafness, sudden deafness, unilateral decerebrate posture deep gray nuclei deep tendon reflexes defecation degenerative diseases of CNS delay in diagnosis delirium delirium, work up for delusion dementia dementia, cerebrovascular disease causing dementia, childhood dementia, diagnostic evaluation of dementia, differential diagnosis of dementia, presenile dementia, rapidly progressive dementia, reversible dementia, subcortical dementia, treatment of demyelinating disease dental infection dental procedure, neurologic complications with dentate nuclei dentate nuclei, lesion of deprenyl depression depression, psychotic dermatitis dermatitis herpetiformis dermatomyositis dermatomyositis, childhood detoxification developmental evaluation developmental milestones, loss of developmental retardation dexterity, impaired DHE diabetes insipidus diabetes mellitus diabetes mellitus, chemical diabetic amyotrophy diabetic ophthalmoplegia diagnostic criteria dialysis diarrhea diaziquone diencephalon diet dietary supplement differential diagnosis difficulty climbing stairs diffuse infiltrative lymphocytosis syndrome DiGeorge syndrome digital subtraction angiography digitalis digitalis intoxication dihydroepiandosterone dilantin dilantin, serum level dilantin, toxicity dimethylsulfoxide diphtheria diplegia, brachial diplopia diplopia, vertical disability rating scale, neurological disability, neurological discectomy discectomy, lumbar discitis discography disease modifying agents disorientation disseminated intravascular coagulation(DIC) disseminated vasculomyelinopathy distal muscle atrophy distal muscle weakness disulfiram diuretic diurnal variation diving dizziness DNA probes docetaxel Dominican Republic donepezil dopa responsive dystonia dopamine agonist dopamine antagonist dopamine receptor, D2 down-beat nystagmus doxycycline DPPX DPPX, antibodies DPPX, antibodies, encephalitis drooling droperidol dropped head syndrome drowsiness drug abuse drug abuse, neurologic complications of drug addiction drug dependence drug holiday drug induced neurologic disorders drug induced neurologic disorders in children drug interactions drug overdose drug overdose, management of drug resistant bacteria drug withdrawal Dupuytren's contractures dura, thickened dural arteriovenous malformation dural sinus thrombosis duvalumab dying dysarthria dysarthria-clumsy hand syndrome dysdiadochokinesia dysequilibrium syndrome dysgeusia dyskinesia dyskinesia, buccal lingual facial dyskinesia, drug induced dyskinesia, facial dyslexia dysmetria dysmorphic dysostosis multiplex dysphagia dysphasia dyspnea dysproteinemia dysthyroid ocularmyopathy dysthyroidism dystonia dystonia musculorum deformens dystonia, children dystonia, classification dystonia, drug induced dystonia, etiology of dystonia, evaluation of dystonia, face dystonia, focal dystonia, painful dystonia, treatment of dystonia, truncal dystonic reaction, acute dystrophic calcification DYT1 mutation ear, pain in ear, red ecchymoses Echinacea ECHO virus echocardiogram echocardiogram, transesophageal echocardiogram, transesophageal, false negative echocardiogram, transthoracic, false negative eclampsia eclampsia, postpartum ecstasy ectopic pinealoma eculizumab eczema edema, laryngeal edema, leg edema, palate edema, pedal edema, periorbital efficacy efgartigimod alfa ejaculation ejaculation, retrograde electrical fields, alternating electrical sensation electrical stimulation electrocardiogram, abnormal electroencephalogram electroencephalogram, abnormalities of electroencephalogram, diffuse slowing electroencephalogram, focal delta activity electroencephalogram, periodic complexes electroencephalogram, triphasic delta waves electrogustometry electromyogram electromyogram, decremental response electron microscopy 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deficits episodic unconsciousness epistaxis epsilon-aminocaproic acid(E.A.C.A.) Epstein-Barr virus Epstein-Barr virus, negative erbulozole Erdheim-Chester disease erectile dysfunction erection ergonovine ergotamine ergotism erythema nodosum erythromelalgia erythromycin erythropoietin erythropoietin treatment escherichia coli esophageal reflux etanercept ethics in neurology everolimus evidence-based research evoked potentials exercise exercise intolerance exercise-induced vascular symptoms exophthalmus Exserohilum rostratum extension-flexion injury of cervical spine external capsule extralimbic encephalitis extraocular muscle enlargement extraocular muscle lesion extrapyramidal eye closure eye movement, disorders of eye movement, painful eye, pain in face, contractions face, numbness of facial appearance, abnormal facial nerve facial nerve palsy facial nerve palsy, bilateral facial nerve palsy, causes of facial nerve palsy, prognosis of facial nerve palsy, recurrent facial nerve palsy, treatment of facial pain facial swelling facial tenderness facial weakness facial weakness, bilateral faciobrachial dystonic seizure failed medical management falling false negative false negative VDRL false positive famciclovir familial farmer fasciculation fasciotomy fasting fatigue fatty acid, elevated plasma content fellowship training femoral neuropathy fentanyl ferritinemia fertility fetal death fetal tissue fever fever of unknown origin fibrillations fibrinolytic agents fibrinolytic agents, complications fibrinolytic agents, intra-arterial local infusion fine motor function, impaired finger nose finger test fingernails, white fingers, painful fingolimod fingolimod, discontinuation fish poisoning Fisher's syndrome fistula, arterio-venous, dural fistula, arterio-venous, dural, spinal flaccid paralysis floaters floppy infant flow study, carotid artery fluconazole fluctuate fludarabine flu-like illness flunarizine fluorescein angiography fluorescent treponema antibody absorption/false positive fluoroquinolones fluorouracil fluoxetine flush syndrome folic acid follicle stimulating hormone follow commands fontanel, bulging food-borne infection foot drop foot drop, bilateral foreign body reaction fornix, lesion of foscarnet fourth ventricle, floor fracture, long bone fracture, pathologic fried egg appearance frontal lobe, behavior with disease of frontal lobe, lesion of frontal lobe, pathologic signs of frozen section fucosidosis fumarate fundus, abnormality of funduscopic exam fungal infection fungal infection, CNS fungal infection, CNS, treatment of furosemide F-wave response gabapentin gadolinium gag reflex, depressed gait disorder gait, spastic gait, waddling galactocerebrosidase galcanezumab gallium scan gamma amino butyric acid receptor antibody gamma butyrolactone gamma hydroxybutyric acid gammaglobulin therapy, intravenous ganciclovir ganglioglioma ganglionitis gangliosides gangliosidosis GM1 gangliosidosis GM2 gardener gastric partitioning gastric surgery gastroenteritis gastrointestinal bleeding gastrointestinal disease, 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receptor antibodies glycoprotein GM antigen test GM1 ganglioside GM1 ganglioside antibodies Good syndrome gout Gowers maneuver gram negative rod gram positive cocci gram positive rod granuloma, eosinophilic granuloma, pulmonary granulomatosis with polyangiitis granulomatosis, allergic granulomatous disease granulomatous hypophysitis grasp reflex Graves ophthalmopathy gray hair gray matter groaning growth hormone growth retardation guanidine Guillain Barre syndrome Guillain Barre syndrome, axonal form Guillain Barre syndrome, cardiovascular complications Guillain Barre syndrome, complications Guillain Barre syndrome, differential diagnosis of Guillain Barre syndrome, etiology of Guillain Barre syndrome, infantile and childhood form Guillain Barre syndrome, passive transfer of Guillain Barre syndrome, prognosis of Guillain Barre syndrome, relapse Guillain Barre syndrome, steroid treatment in Guillain Barre syndrome, variant forms of gumma gynecomastia gyrus, abnormal hair, darkening of 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loss, bilateral hearing loss, sudden, bilateral hearing loss, sudden, unilateral heart block heart murmur heart valve surgery heart valve, prosthetic heart valve, repair heavy metal intoxication HELLP syndrome helminthic infection of CNS hemangioblastoma hematoma, epidural-spinal hematoma, intracerebral hematomyelia hematuria, gross hematuria, microscopic hemianopia hemianopia, homonymous hemiballismus hemichorea hemimyoclonic jerks hemiparesis hemiparesis, transient hemiplegia hemiplegia, progressive hemolysis hemolytic-uremic syndrome hemophagocytic lymphohistiocytosis hemophagocytic lymphohistiocytosis, cerebromeningeal hemophagocytosis hemophilus influenza hemoptysis hemorrhage, putamenal hemorrhage, thalamic hemorrhagic diathesis hemosiderosis of CNS, superficial hemosiderosis, subarachnoid heparin heparin, low-molecular-weight heparin, subcutaneous hepatic encephalopathy hepatic encephalopathy, acute hepatic failure hepatitis hepatitis C virus hepatolenticular degeneration(Wilson's disease) hepatomegaly hepatosplenomegaly heralding manifestation herbs herniated disc herniated disc, cervical herniated disc, lumbar herniated disc, lumbar-conservative vs.surgical treat.of herniated disc, steroid treatment of herniation syndromes, intracranial herpes encephalitis herpes labialis herpes simplex encephalitis herpes simplex encephalitis, atypical herpes simplex encephalitis, chronic herpes simplex encephalitis, diagnosis of herpes simplex encephalitis, differential diagnosis of herpes simplex encephalitis, extra temporal herpes simplex encephalitis, prognosis 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 infection, newborn herpes simplex virus, human nervous system and herpes simplex virus, localization of herpes simplex virus, malignancy with herpes simplex virus, pathogenesis of herpes 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type 1, false positive human immunodeficiency virus type 1, testing human immunodeficiency virus type 2 human papilloma virus human parechovirus human T-lymphotropic virus type I(HTLV-I) Huntington's chorea Hurler's syndrome hydatidiform mole hydrocephalus hydrocephalus, acute hydrocephalus, exvacuo hydrocephalus, non-communicating(obstructive) hydrocephalus, normal pressure hydrochlorthiazide hyperactivity hyperacusis hyperadrenalism hyperammonemic encephalopathy hyperamylasemia hyperbaric oxygen hyperbaric treatment hypercalcemia hypercoagulable state hyperekplexia hypereosinophilic syndrome(HES) hyperesthesia hyperextension injury hypergammaglobulinemia hyperglycemia hyperhidrosis hyperinsulinism hyperkalemia hyperlipidemia hypernatremia hyperparathyroidism hyperphosphatasia hyperpigmentation of skin hyperreflexia hypersensitivity reaction hypersomnia hypertension hypertension, cerebrovascular disease with hypertensive encephalopathy hyperthermia hyperthyroidism hypertonia hypertrichosis hypertriglyceridemia hypertrophic intracranial pachymeningitis hypertrophic pachymeningitis, IgG4 related disease hypertrophic spinal pachymeningitis hypertropia hyperventilation hyperviscosity hypocalcemia hypocomplementemia hypofibrinogenemia hypogammaglobulinemia hypogeusia hypoglycemia hypoglycemic agent, oral hypoglycemic coma hypoglycorrhachia hypogonadism hypokalemia hypomagnesemia hyponatremia hyponatremia with cerebral disorders hypoosmolality of serum hypoparathyroidism hypophonia hypophysitis, IgG4-related hypopituitarism hypoprothrombinemia hypopyon hyporeflexia hypotension, systemic hypothalamus hypothalamus, damage to hypothalamus, disturbance of hypothalamus, lesion of hypothalamus, neoplasm of hypothermia hypothermia, causes of hypothyroidism hypotonia hypotonia, infants hypoxia hypoxic encephalopathy hypsarrhythmia iatrogenic neurologic disorders ibuprofen idiopathic idiopathic CD4+lymphopenia idiopathic cranial polyneuropathy idiopathic inflammatory 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intranuclear inclusion bodies, intracytopasmic inclusion bodies, intranuclear inclusion body myositis incontinence, fecal India india-ink preparation, CSF indomethacin inebilizumab infant, evaluation of infantile hemiplegia infantile spasm infection infection, latent infection, recurrent infectious mononucleosis infectious mononucleosis, neurologic findings with infliximab influenza influenza A virus influenza immunization informed consent infraorbital nerve INR values insecticides insomnia insular cortex insulin insulinoma intellectual deficit intellectual deterioration intelligence quotient intelligence testing in children interferon interferon alpha interferon antibodies interferon beta 1-a interferon beta 1-b interferon inducer interferon, intrathecal interleukin 2 interleukin 6 internal carotid artery internet internuclear ophthalmoplegia interobserver agreement interstitial pulmonary fibrosis intestinal biopsy intracardiac device intracardiac devices intracardiac 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and side effects of learning disability, in children Ledderhose disease left handedness leg numbness leg spasms, painful leg swelling leg weakness, bilateral leg weakness, unilateral Legionella pneumophilia Legionnaires'disease lenticular nucleus, lesion of lenticular nucleus, lesion of, bilateral lenticulostriate arteries lenvatinib lesions too numerous to count lethargy leucine rich glioma inactivated 1 antibodies leukapheresis leukemia leukemia, neurologic findings assoc.with leukemia, prophylactic treatment of CNS leukocytosis leukodystrophy leukoencephalitis leukoencephalitis, acute necrotizing hemorrhagic leukoencephalopathy leukoencephalopathy, acute leukoencephalopathy, differential diagnosis leukoencephalopathy, toxic leukopenia leukostasis levamisole level of consciousness, decreased levonorgestrel Lewy body Lewy body disease, diffuse Lhermitte's sign libido, decreased lid lid abnormalities lid closure, weakness of lid lag lid twitch lidocaine life expectancy limb-girdle weakness limbic encephalitis limbic system linomide lipid lowering agent lipid storage disorder of CNS lipomatosis lipomatosis, epidural lipoprotein receptor-related protein 4 liquorice listeria monocytogenes listeriosis, CNS lithium livedo reticularis liver biopsy liver disease liver function enzymes liver transplantation lomustine long bone lesion lorazepam lordosis Lorenzo's oil lovastatin low back pain L-tryptophan lumbar drain lumbar ganglia lumbar puncture lumbar puncture, complications of lumbar puncture, indications for lumbar puncture, repeated lumbosacral plexopathy lumbosacral plexus lumbosacral plexus, lesion of lumbosacral plexus, neuritis lumbosacral radiculopathy lung biopsy lung transplantation lupus anticoagulant lupus nephritis luteinizing hormone Lyme disease lymph node biopsy lymphadenopathy lymphadenopathy, axillary lymphadenopathy, cervical lymphadenopathy, hilar lymphocytic choriomeningitis lymphocytic interstitial pneumonitis lymphocytic meningoradiculitis 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susceptibility weighted MRI, T1 weighted high signal foci MRI, target sign MRI, venography MRI, vessel wall MRI, vessel wall enhancement MRI, volumetry MRS mucopolysaccharidoses mucormycosis multifocal fibrosclerosis multimodal neuroimaging multinucleated giant cell multiple myeloma multiple organ failure multiple sclerosis multiple sclerosis, acute multiple sclerosis, aggressive multiple sclerosis, children multiple sclerosis, chronic progressive multiple sclerosis, diagnosis of multiple sclerosis, diagnostic criteria multiple sclerosis, diet in multiple sclerosis, differential diagnosis of multiple sclerosis, disability status scale multiple sclerosis, etiology of multiple sclerosis, misdiagnosis multiple sclerosis, monosymptomatic multiple sclerosis, plaque multiple sclerosis, relapsing multiple sclerosis, secondary progressive multiple sclerosis, treatment of multiple sclerosis, treatment of, first attack multiple sclerosis, tumefactive multiple system atrophy muromonab-CD3 muscle 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nivolumab NMDA antagonists NMDA receptors nocardiosis nocturia non-arteritic antererior ischemic optic neuropathy non-caseating granuloma nonsteroidal anti-inflammatory drug nonvasculitic autoimmune inflammatory meningoencephalitis normal nortriptyline nosocomial infection number needed to treat numbness, generalized nutritional deficiency nystagmus nystagmus, direction changing nystagmus, dissociated nystagmus, gaze-evoked nystagmus, primary position of gaze nystagmus, upbeating on upgaze nystagmus, upbeating-in primary position of gaze nystagmus, vertical obesity obicularis oculi, weakness of obsessive-compulsive disorder obstetric complications occipital lobe occipital lobe, lesion of occupational neurologic disorders ocrelizumab ocular flutter ocular motility, disorders of ocular myopathy oculogyric crisis oculovestibular reflex odontoid process odontoid process, fracture of olanzapine old age, neurology of oligodendroglioma Ommaya reservoir onconeural antibodies ophelia syndrome 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nerve, lesion of periphlebitis perivascular enhancement perivascular inflammation periventricular leukomalacia peroneal nerve palsy peroneal nerve, lesion of peroxisomal disease perseveration personality change personality disorder petechiae Peyronie's disease phencyclidine poisoning phenobarbital phenothiazine phenothiazine, dyskinesia associated with phenylketonuria phenylpropanolamine pheochromocytoma Philadelphia chromosome phonophobia photophobia photopsias photosensitivity, eye photosensitivity, skin physical therapy physostigmine pigmentary retinopathy pimozide pimozide, side effects pineal, neoplasm pinealoma piperazine Pisa syndrome pitfalls pituitary pituitary hyperemia pituitary stalk pituitary stalk, enlarged pituitary stalk, lesion of pituitary, adenoma pituitary, apoplexy pituitary, biopsy pituitary, dysfunction pituitary, enlargement pituitary, hormones of pituitary, insufficiency of pituitary, lesion of pituitary, metastasis to pizotifen placebo placebo effect placenta 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proteinuria proteus mirabilis prothrombin time, prolonged proton beam therapy proton pump inhibitors protozoan infection proximal muscle atrophy pruritus Pseudallescheria boydii pseudoabducens palsy pseudoathetosis pseudobulbar palsy pseudocyst pseudointernuclear ophthalmoplegia pseudomonas aeruginosa pseudotumor psoriasis psoriatic arthritis psychiatric disorder psychiatric problems in neurologic disorders psychological testing psychological testing, children psychomotor retardation psychosis psychosis, acute psychosis, cause of psychotic behavior ptosis ptosis, alternating ptosis, bilateral ptosis, unilateral pulmonary disease pulmonary embolism pulmonary function tests pulmonary infection pulmonary infiltrates 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, tonic pure motor hemiplegia Purkinje cell purkinje cell cytoplastic autoantibody purpura putamen, lesion of putamen, lesion of, bilateral pyramidal tract dysfunction, unilateral pyridoxine pyrimethamine quadrantanopia, inferior quadriparesis quadriparesis, progressive quadriplegia quality of life quetiapine quinidine quinine race radiation encephalopathy, delayed radiation hypersensitivity radiation necrosis radiation neuropathy radiation therapy, CNS treatment and complications with radiation therapy, stereotactic radiation therapy, total body radicular pain radiculitis radiculoneuritis radiculopathy radioimmunoassay radioiodine therapy ragged-red fibers Ramsay Hunt syndrome ranitidine Rankin score rapidly fatal neurologic illness rapidly progressing neurologic illness rash ravulizumab raw fish ingestion raw milk ingestion Raynaud's phenomenon reactive pleocytosis reading disorder, acquired rebound receptor tyrosine kinase inhibitor rechallenge recurrent recurrent laryngeal nerve paralysis red cell aplasia Red flags reflex sympathetic dystrophy reflex, brainstem refractive errors refractory sprue Refsum's disease regional enteritis rehabilitation for neurologic disorders release phenomena REM sleep behavior disorder remdesivir remission remote effect of cancer on the nervous system remyelination renal cell carcinoma renal failure renal failure, acute renal infarct renal stones renal transplantation renal tubular necrosis renal vein thrombosis repetitive nerve stimulation research respirations in CNS disease respirator respiratory arrest respiratory depression respiratory distress syndrome, neurologic status with respiratory failure respiratory paralysis, pharmacologic respiratory tract infection restless leg syndrome restrictive ophthalmopathy reticulum cell sarcoma retina, abnormal retinal arteriole attenuation retinal artery occlusion retinal biopsy retinal branch artery occlusion retinal degeneration retinal detachment retinal hemorrhages retinal infarction retinal ischemia retinal lesion retinal microvascular 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virus rubeola virus rubeola, encephalitis Sabin-Feldman dye test saccadic eye movements saccadic eye movements, abnormal saddle anesthesia safety sagging of the brain salivary gland enlargement salivation, excessive saphenous nerve sarcoid-like reaction sarcoidosis sarcoidosis, CNS sarcoma sarcoma, osteogenic sarilumab Saudi Arabia scalp necrosis scalp swelling scalp tenderness Schilder's disease schistocytes schistosomiasis schizophrenia Schmidt syndrome sciatic neuropathy sciatica scleritis sclerodactyly scleroderma scleroderma, neurologic involvement with scleromyxedema sclerosis, bone sclerotherapy scoliosis scoliosis, neurologic association with scotoma scotoma, central scotoma, paracentral-homonymous screening season sedimentation rate sedimentation rate, elevated segmental demyelination seizure seizure, adult onset seizure, children seizure, complications following seizure, drug resistance seizure, drug-induced seizure, dystonic seizure, etiology of seizure, febrile seizure, focal seizure, intractable seizure, intractable, treatment of seizure, medication failure seizure, minor motor seizure, neonatal seizure, non-treatment of seizure, peripartum seizure, pregnancy seizure, prevalence of seizure, prevention of seizure, psychomotor-temporal lobe seizure, systemic disease causing seizure, tonic-clonic seizure, treatment of seizure, treatment of, first seizure, unknown origin seizure, withdrawal seizure, women seizure, workup of selective norepinephrine reuptake inhibitor selective serotonin reuptake inhibitors sella trucica sella turcica, enlargement of selumetinib semustine sensorineural hearing loss sensory ganglia sensory ganglia, abnormal sensory level sensory loss sensory loss, asymmetric sensory loss, patchy sensory loss, truncal sensory nerve action potentials sensory polyneuropathy sensory tricks septicemia seroconversion serologic testing serologic testing of cerebrospinal fluid serologic testing, false negative serologic testing, false positive seronegative seropositive serotonin serotonin agonist serotonin syndrome sertraline serum alanine aminotransferase serum gamma glutamyl transferase serum lipase, elevated serum sickness severe acute respiratory syndrome sex reassignment surgery sexual behavior, disorder of sexual dysfunction in neurologic disease sexual intercourse shared decision making sheathing of retinal veins Sheehan's syndrome Shiga toxin shivering shock, cardiogenic shock, hypovolemic shooting pain short stature shoulder, pain in shoulder-hand syndrome shunt procedure, ventricular shunt procedure, ventricular-complications of shunt procedure, ventriculo-peritoneal sialadenitis sicca syndrome sickle cell disease sildenafil simultanagnosia simvastatin sinemet single photon emission computed tomography single photon emission computed tomography, thallium single-fiber electromyography sinuses, diseases of sinusitis sirolimus Sjogren's syndrome Sjogren's syndrome, childhood Sjogren's syndrome, neurologic manifestations of skew deviation skin, biopsy skin, darkening of skin, lesions in neurologic disorders skull x-ray skull x-ray, abnormal sleep sleep pathology and physiology slit lamp examination slow virus infection of CNS slurred speech small vessel disease small vessel vasculitis SMART syndrome smell snail snout reflex soap-bubble appearance sodium valproate sodium valproate, toxicity solvent somatosensory evoked potentials somnolence sonophobia sore throat South America spasticity speech disorder speech, loss of speech, slowed speech, unintelligible sphenoid sinus spinal cord spinal cord, biopsy spinal cord, cervical spinal cord, compression of spinal cord, compression of, acute spinal cord, compression, epidural abscess causing spinal cord, enlargement spinal cord, infarction of spinal cord, injury of spinal cord, injury, functional capacity of patient with spinal cord, injury, management of spinal cord, injury, sexual dysfunction in spinal cord, ischemic lesion of spinal cord, lesion of spinal cord, metastasis to spinal cord, metastasis to, primary source spinal cord, metastasis to, treatment of spinal cord, neoplasm spinal cord, neoplasm, extramedullary spinal cord, neoplasm, intramedullary spinal cord, pathologic exam of spinal cord, vascular malformation of spinal muscular atrophy spinal percussion spinal stenosis spine, metastasis to spine, metastasis, primary source spinocerebellar degeneration spirochete infection spironolactone splenectomy splenium of corpus callosum splenomegaly splinter hemorrhages spongy degeneration of brain spontaneous remission sporotrichosis, systemic sprain, cervical squamous cell carcinoma of head and neck St. John's wort standing difficulty staphylococcal protein A column therapy staphylococcus aureus stare staring spells startle myoclonus startle reaction statin therapy statin therapy, discontinuation status asthmaticus status epilepticus status epilepticus, intractable status epilepticus, nonconvulsive status epilepticus, recurrent steatorrhea stellate-ganglion block stem cell rescue stem cell tourism stem cell transplantation stem cells stent, carotid artery stent, carotid artery, complications steppage gait stereotaxic surgery steroid steroid dementia steroid injection steroid psychosis steroid responsive encephalitis steroid responsive encephalopathy steroid sparing therapy steroid therapy, CNS treatment and complications with stiff joints stiff legs stiff man syndrome stiff man syndrome, variant stillbirth Still's disease stimulation, deep brain stool examination, ova and parasites stooped posture streptococcus agalactiae streptococcus bovis streptococcus pneumoniae streptokinase streptomycin stress, emotional striatal encephalitis striatum, lesion of striatum, lesion of, bilateral stridor stroke, progression of strokelike episodes strongyloides stercoralis strongyloides stercoralis hyperinfection syndrome strychnine poisoning stuporous subacute myelo-opticoneuropathy(S.M.O.N.)complex subacute 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sympathectomy sympathetic block sympatholytic agent sympathomimetic drugs syncope syncope, differential diagnosis of syncope, recurrent syphilis, diagnosis and treatment syphilis, neurologic complications with systemic illness systemic lupus erythematosus systemic lupus erythematosus, neurologic complications with T cell lymphocytes T cell lymphoma tabes dorsalis tachycardia tacrolimus Takayasu's arteritis talk tamoxifen tandem gait, ataxic tapetoretinal degeneration tardive akathisia tardive dyskinesia tardive dystonia tardive pain syndrome tarsal tunnel syndrome taste tattoo taxol telangiectases telemetry, cardiac temozolomide temporal artery, biopsy temporal artery, tender temporal lobe temporal lobe, lesion temporal lobe, lesion, bilateral temporalis muscle wasting tenderness tenosynovitis tensilon tensilon test tensilon test, false negative tensilon test, false positive tensilon test, paradoxical teratogenesis teratogenesis, viral teratogenic drugs teratoma teratoma, ovarian 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abnormality of trigeminal nerve, hypertrophy trigeminal nerve, lesion of trigeminal neuralgia trigeminal neuropathy trigeminal neuropathy, sensory trigeminovascular system trimethoprim-sulfamethoxazole triptans trismus trochlear nerve palsy Trousseau's sign Trousseau's syndrome trypanosoma cruzi tuberculoma of CNS tuberculosis tuberculosis, disseminated tuberculosis, miliary of brain tuberous sclerosis tumefactive lesion tumor necrosis factor tumor necrosis factor inhibitor tumor pseudoprogression ulcerative colitis ulcers, fingertip ultrasonography ultrasonography, carotid artery ultrasonography, orbit umbilical artery catheterization umbilical-cord blood transplantation uncal herniation unconsciousness unconsciousness, episodic unconsciousness, transient uncus undiagnosed United States upgaze upgaze, paralysis of upright-tilt test uremia uremic encephalopathy uremic twitching urinary casts urinary frequency urinary incontinence urinary retention urinary sulfatidase excretion urinary urgency urine osmolality, elevated urine test in toxic screen urine, dark urticaria Usher's syndrome uveitis vaccination, neurologic complications with vaccine vaccine-induced thrombocytopenia vaccinia vaginal bleeding vagus nerve stimulation valacyclovir valium valsalva maneuver valvulopathy vanishing tumor varicella zoster virus varicella zoster virus, encephalitis varicella zoster virus, vasculopathy variola variola vaccination vascular endothelial growth factor vasculitides vasculitides, benign cerebral vasculopathy vasoactive substances vasoconstrictive drugs vasopressin vasospasm vasospasm, cerebral vasospasm, internal carotid artery vasovagal episode vectors of infection vecuronium Venereal Disease Research Laboratory test venlafaxine venous thrombosis, non-cerebral ventricular assist device ventriculitis ventriculostomy verapamil vertebral artery vertebral artery disease vertebral artery occlusion vertebral artery occlusion, bilateral vertebral-basilar insufficiency vertigo vertigo, cervical vertigo, treatment of very long chain fatty acids vestibular function, tests of vestibular neuritis vibratory sensation vibratory sensation, abnormal Vietnamese vigabatrin vinblastine vincristine neurotoxicity vindesine vinorelbine viral infection viral infection, CNS viral infection, reactivation viral isolation viral load viral myopathy Virchow-Robin spaces, dilated viremia viruria vision, blurred vision, blurred, monocular visual acuity visual acuity, decreased visual acuity, decreased, monocular visual evoked response visual field defect visual field defect, altitudinal visual fields visual impairment visual loss visual loss, progressive visual loss, slow visual loss, slow-unilateral visual loss, sudden visual loss, sudden-unilateral visual loss, transient visual symptoms visuospatial disturbance vitamin A vitamin D vitamin deficiency vitamin K vitamin supplementation vitiligo vitrectomy vitreous biopsy vitreous hemorrhage vitreous opacities vocal cord paralysis vocalizations Vogt-Koyanagi-Harada syndrome vomiting, intractable voriconazole Waldenstrom's macroglobulinemia walking frame walking, difficulty with water channel antibodies water intoxication watershed infarcts Watson-Schwartz reaction weakness weakness, acute weakness, fatiguable weakness, focal weakness, generalized weakness, progressive weakness, proximal weakness, severe weakness, unilateral weaning from respirator, failure to web sites Weber test Weber's syndrome weight gain weight loss Wernicke's encephalopathy West disease West Nile fever Western immunoblot test wheelchair wheezing Whipple's disease white matter disease white matter disease, periventricular white matter disease, subcortical whole body imaging wide based gait Wiskott-Aldrich syndrome word-finding difficulty work performance workup wrist drop writhing movements writing xanthopsia xerophthalmia xerostomia x-ray, cervical spine x-ray, spine zilucoplan zombie zoster sine herpete

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