Differential (Click to cross reference) abdominal cramps abdominal distention abdominal mass abdominal tenderness abducens nerve paralysis abducens nerve paralysis, bilateral 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 acanthosis nigricans acetylcholine receptor acetylcholine receptor antibody acetylcholine receptor antibody, ganglionic acetylcholinesterase acetylcholinesterase deficiency aciduria acne fulminans 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 acrocyanosis ACTH acute ataxia of childhood acute ataxic sensory neuropathy acute cerebellar ataxia acute disseminated encephalomyelitis acute disseminated encephalomyelitis, relapsing acute necrotizing encephalitis acyclovir adalimumab addiction, heroin Addison's disease adenine arabinoside adenosine deaminase deficiency adenovirus infection adenylate kinase 5 autoantibodies Adies pupil adolescent medicine adrenal crisis, acute advances in neurology adverse drug reaction afebrile affect, flat Africa agammaglobulinemia ageusia aggression agitation agranulocytosis akinetic mute alcohol, neurologic complications with alcoholism aldolase alemtuzumab algorithm alkylating agents allescheria boydii alopecia alpha-fetoprotein altered states of consciousness alternating hemiplegia alternating rapid movement, impaired alveolar hypoventilation Alzheimer type II astrocytosis amaurosis fugax amaurosis fugax, unilateral vs.bilateral amenorrhea amnesia amnesia, anterograde amnestic syndrome AMPA receptor antibodies AMPA receptors amphiphysin antibodies amphotericin B amygdala amyloid angiopathy, cerebral amyloid angiopathy, cerebral, inflammatory type amyloid beta protein amyloid beta-related angiitis amyloid deposition amyloidosis amyotrophic lateral sclerosis amyotrophic lateral sclerosis, differential diagnosis amyotrophic lateral sclerosis, etiology of amyotrophic lateral sclerosis, guamian type of amyotrophic lateral sclerosis, misdiagnosis amyotrophic lateral sclerosis, treatment of amyotrophic lateral sclerosis-like syndrome ANA anal cancer anemia anemia, iron deficiency anemia, megaloblastic anergy anesthesia, general anesthesia, local aneurysm 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 angina pectoris angiography, cerebral, beaded vessels angiography, cerebral angiography, cerebral, false negative angiography, cerebral, negative angiography, neurologic complications with angiography, posterior fossa angiotensin-converting enzyme anhidrosis animal exposure ankle edema anorexia anosmia antecedent illness anterior horn cell disease anti basal ganglia antibodies anti citrullinated antibody anti GQ1b IgG antibody anti HMGCR antibody anti Hu antibody anti IgLON5 anti JC virus antibodies anti Ku antibody anti La antibody anti Ma anti MAG antibodies anti mGluR1 encephalitis anti pan-neurofascin anti Ri antibody anti Ro antibody anti Ta anti Tr antibodies anti Yo antibody antiamphiphysin antibiotic prophylaxis antibiotics antibiotics, neurologic complications with antibodies to voltage-gated calcium channels anticardiolipin antibodies anticholinesterase anticoagulant, reversal of anticoagulant, treatment anticonvulsants anticonvulsants, effectiveness anticonvulsants, pharmacokinetics anticonvulsants, untoward effects of antidepressant anti-dopamine 2 receptor antibody antiganglioside antibodies antimetabolite antineutrophil cytoplasmic autoantibodies antiparasitic therapy anti-PF4-heparin IgG antibodies antiphospholipid antibodies antiphospholipid antibody syndrome antiretinal antibodies antistreptolysin titer antistriational muscle antibody antithyroid antibodies antitoxin antiviral agents anxiety aortitis aphasia aphasia, progressive apnea apolipoprotein E apraxia apraxia of eye movements aqueduct of Sylvius, stenosis aqueductal stenosis arachnoiditis arbovirus area postrema area postrema syndrome areflexia Arizona arm weakness arrhythmia, cardiac arteriopathy arteritides arteritis, temporal arteritis, temporal, recurrent arthralgia arthritis asparginase 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 atrial flutter atrial myxoma atypical atypical lymphocytes audiogram auditory evoked brainstem potentials auditory evoked potentials autism autoantibodies autoantibody prevalence in epilepsy score autoimmune autonomic ganglionopathy autoimmune basal ganglia encephalitis autoimmune cerebellar ataxia autoimmune disease autoimmune encephalopathy autoimmune epilepsy autoimmune GFAP astrocytopathy autoimmune meningitis automatic behavior automobile accidents autonomic dysfunction autonomic dysfunction, acute autonomic neuropathy autonomic neuropathy, idiopathic axonal degeneration azathioprine B 12 deficiency B cell lymphoma babesiosis Babinski sign back surgery baclofen bacteremia bacterial infection bacterial infection, CNS Balint's syndrome basal cistern basal ganglia basal ganglia, lesion of basal ganglia, lesion, bilateral basilar artery Beau's lines behavior behavior, combative behavioral disorder behavioral disorder, acute Behcet's syndrome Bell's phenomenon benzodiazepine beta-D-glucon bevacizumab Bickerstaff's brainstem encephalitis biologic markers black turbinate sign blacks blastomycosis bleomycin blindness blindness, monocular blindness, sudden blindness, transient blood brain barrier blood cultures blood dyscrasias, neurologic findings with blood transfusion bone biopsy bone marrow biopsy bone marrow transplantation bone scanning Borrelia miyamotoi infection bortezomib botulinum toxin botulism botulism antitoxin botulism immune globulin botulism, infant brachial neuritis brachial plexus brachial plexus injury brachial plexus neuropathy bradycardia bradykinesia bradyphrenia BRAF protooncogene brain atrophy brain biopsy brain biopsy, complications of brain biopsy, false negative brain biopsy, indication brain biopsy, negative brain biopsy, stereotaxic brain purpura brain scan brain scan, abnormal brain transplantation brain transplantation, complications of brainstem brainstem, dysfunction brainstem, infarction of brainstem, lesion of brainstem, neoplasms of Brazil breast feeding Broca's aphasia brucellosis brucellosis, nervous system involvement with Brudzinski's sign bruit bulbar dysfunction bulbar palsy bulbar palsy, acute bulbar palsy, childhood burning feet burning feet, differential diagnosis of burning paresthesia burning skin cachexia cafe au lait spots calcification, intracranial calcium channel dysfunction calculations California calmodulin kinase-like vesicle-associated protein campylobacter infection cancer associated hypercoagulation cancer associated myopathy cancer, cerebrovascular accident complicating patients with cancer, unknown origin candida albicans cane CAR syndrome CAR T-cell therapy carbon monoxide poisoning carcinoembryonic antigen carcinoid tumor carcinoma carcinoma of bladder carcinoma of breast carcinoma of cervix carcinoma of lung carcinoma of ovary carcinoma of pancreas carcinoma of testis carcinoma of thymus carcinoma of unknown origin carcinoma of uterus cardiac surgery cardiac surgery, neurologic complications with cardiac transplantation cardiomyopathy cardiopulmonary bypass cardiotoxicity cardiovascular disease caries carmustine carotid angiogram carotid artery atherosclerosis carotid artery atherosclerosis, pathogenesis carotid artery disease carotid artery occlusion, intracranial carotid artery, enlarged external diameter carphology carpo-pedal spasm CAT scan CAT scan, abdomen CAT scan, abnormal CAT scan, abscess, cerebral CAT scan, brain scan compared to 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. CAT scan, demyelinating disease CAT scan, emission CAT scan, emission, abnormal CAT scan, false negative CAT scan, gray matter enhancement CAT scan, hyperattenuation CAT scan, myelogram with CAT scan, pelvis CAT scan, ring sign CAT scan, spinal cord CAT scan, spine CAT scan, target sign catalepsy cataracts cataracts, congenital catatonia cauda equina cauda equina, enhancement cauda equina, lesion of caudate nucleus caudate nucleus, lesion of caudate nucleus, lesion of, bilateral cavernous sinus, lesion of cavernous sinus, thrombosis CD19-directed chimeric antigen receptor T-cell therapy CD4 counts CD8 encephalitis celiac disease, adult celiac disease, childhood central nervous system, infection of central nervous system, infection, cancer patient central pontine myelinolysis central venous catheter centrum semiovale cerebellar ataxia, children cerebellar ataxia, hereditary cerebellar ataxia, primary cerebellar atrophy, primary cerebellar atrophy, secondary cerebellar cognitive affective syndrome cerebellar degeneration cerebellar infarction cerebellar lesion cerebellar peduncle cerebellar vermis cerebellitis cerebellitis, autoimmune cerebellum cerebellum, disease of cerebral arteries cerebral autosomal dominate arteriopathy with subcortical infarction and leukoencephalopathy cerebral cortex cerebral cortical atrophy cerebral cortical encephaliis cerebral dominance cerebral edema cerebral edema, vasogenic cerebral embolism cerebral embolism, cardiac origin cerebral embolism, multiple cerebral hemisphere left-right asymmetry cerebral hypersensitivity, delayed cerebral infarction cerebral infarction, hemorrhagic cerebral infarction, septic cerebral infarction, small, deep cerebral infarction, subcortical cerebral ischemia cerebral palsy cerebral palsy, work up cerebral peduncle cerebral tumor-like American trypanosomiasis cerebral vasculature cerebral vasculature, calcification cerebral venous thrombosis cerebritis cerebrospinal fluid cerebrospinal fluid, abnormal cerebrospinal fluid, anti DNA cerebrospinal fluid, beta-D-glucan cerebrospinal fluid, cell count cerebrospinal fluid, cell count, normal cerebrospinal fluid, complement of cerebrospinal fluid, culture negative cerebrospinal fluid, culture of cerebrospinal fluid, culture of, viral cerebrospinal fluid, cytology cerebrospinal fluid, drainage of cerebrospinal fluid, elevated protein of cerebrospinal fluid, eosinophilia of cerebrospinal fluid, gammaglobulin of cerebrospinal fluid, gold sol.curve of cerebrospinal fluid, immunoglobulins of cerebrospinal fluid, leak 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 cerebrovascular accident cerebrovascular accident, acute management of cerebrovascular accident, atrial myxoma cerebrovascular accident, bilateral cerebrovascular accident, familial occurrence cerebrovascular accident, incidence of cerebrovascular accident, mimics cerebrovascular accident, misdiagnosis cerebrovascular accident, multiple cerebrovascular accident, non atherosclerotic cause of cerebrovascular accident, nonarterial territory cerebrovascular accident, perioperative cerebrovascular accident, postoperative cerebrovascular accident, prevention of cerebrovascular accident, recurrent cerebrovascular accident, secondary prevention cerebrovascular accident, young adult cerebrovascular disease cerebrovascular disease, cardiovascular disease with cerebrovascular disease, rapidly progressive cervical spine injury cesarean section Chagas'disease channelopathy chemical meningitis chemical weapons chemosis chemotherapy, CNS treatment and complications with chest pain chest x-ray, abnormal chewing movements chickenpox children chills China chlorambucil chloride channel dysfunction chloroma cholangitis chorea chorea, autoimmune chorea, causes of chorea, senile chorea, Sydenham's choreoathetosis chorioretinitis choroid biopsy choroid plexus choroid plexus, abnormality of choroid plexus, enhancement choroid plexus, inflammation choroid plexus, prominence of chromosomal abnormality chromosome 11 chronic fatigue syndrome chronic graft versus host disease chrysotherapy, neurologic complications of cingulate gyrus cirrhosis cladribine Clinical Pathologic Conference(C.P.C.) clonazepam clonus clostridium septicum coagulopathy coccidioidomycosis Cogan's syndrome cognition cogwheel rigidty coinfection cold hands sign collagen vascular disease collapsin response mediator protein 5 IgG Collier's sign color vision color vision, impaired coma coma, episodic common variable immunodeficiency comorbidities complications compression fracture compression neuropathy computers, neurologic diagnosis and concentration, impaired concentric sclerosis conduction block confabulation confusion confusional state, acute congenital birth defects congenital heart disease congenital infection, CNS congenital infection, viral congenital malformation congenital myasthenic syndromes congenital paresis congestive heart failure conjunctival injection conjunctivitis constipation contactin associated protein like 2 antibodies contractures, joint controversies in neurology conversion reaction Coombs test, positive cop 1 corneal ulceration corpus callosum corpus callosum, infarction of corpus callosum, lesion of corpus callosum, neoplasm of cortical blindness cortical ribbon sign cost cost effectiveness cotton-wool spots cough coumarin cranial nerve enhancement cranial nerve palsies cranial neuropathy cranial neuropathy, multiple craniopharyngioma craniotomy C-reactive protein, elevated creatine phosphokinase(CPK)elevated critical care unit cry, abnormal cry, weak crying cryoglobulinemia cryptococcal antigen cryptococcal meningitis cryptococcal meningoencephalitis cryptococcoma, cerebral cryptococcosis cyclophosphamide cyclosporine cyst, cortical parenchyma cyst, ovary cyst, parenchymal cyst, porencephalic cysticercosis cysticercosis, cerebral cytoarchitectonics, cerebral cortex cytochrome c oxidase cytoid bodies cytokine release syndrome cytokines cytomegalic inclusion disease cytomegalovirus infection cytomegalovirus infection, congenital cytosine arabinoside daclizumab D-dimer deafness deafness, unilateral deep gray nuclei deep tendon reflexes DEET degenerative diseases of CNS delay in diagnosis delirium delusion dementia dementia, cerebrovascular disease causing dementia, childhood dementia, presenile dementia, rapidly progressive dementia, reversible dementia, screening for dementia, treatment of demyelinating disease dental infection dental procedure, neurologic complications with dentate nuclei dentate nuclei, lesion of depression depression, psychotic dermatitis herpetiformis dermatomyositis dermatomyositis, childhood developmental milestones, loss of developmental retardation dexterity, impaired diabetes insipidus diabetes mellitus diabetes mellitus, neurologic manifestations of diabetic amyotrophy diagnostic criteria dialysis diarrhea diencephalon diet differential diagnosis difficulty climbing stairs diffuse infiltrative lymphocytosis syndrome DiGeorge syndrome dilantin dilantin, toxicity diplopia diplopia, vertical disability rating scale, neurological disability, neurological disorientation disseminated intravascular coagulation(DIC) disseminated vasculomyelinopathy distal muscle atrophy distal muscle weakness dizziness dopa responsive dystonia dopamine receptor, D2 down-beat nystagmus down-beat nystagmus, primary position of gaze DPPX DPPX, antibodies DPPX, antibodies, encephalitis drooling dropped head syndrome drowsiness drug abuse drug abuse, neurologic complications of drug induced neurologic disorders drug interactions dural sinus thrombosis duvalumab dysarthria dysdiadochokinesia dysequilibrium syndrome dysgeusia dyskinesia dyskinesia, buccal lingual facial dyskinesia, drug induced dyskinesia, facial dyslexia dysmetria dysphagia dyspnea dyspraxia dysthyroid ocularmyopathy dysthyroidism dystonia dystonia, children dystonia, drug induced dystonia, face ear, abnormal ear, pain in early satiety ecchymoses ECHO virus echocardiogram echocardiogram, transesophageal echocardiogram, transesophageal, false negative echocardiogram, transthoracic, false negative echoencephalogram eclampsia eculizumab eczema edema, pedal edema, periorbital efficacy efgartigimod alfa ejection fraction, abnormal electrocardiogram, abnormal electroencephalogram electroencephalogram, abnormalities of electroencephalogram, diffuse slowing electroencephalogram, pediatric patients electroencephalogram, periodic complexes electroencephalogram, triphasic delta waves electromyogram electromyogram, decremental response electron microscopy electrophoretic pattern, CSF electroretinograph ELISA embolism embolism, air embolism, fat embolism, septic embolization, therapeutic embolization, therapeutic, coils emergencies, medical emergencies, neurologic emotional lability empyema, epidural empyema, epidural-spinal encephalitis encephalitis lethargica encephalitis, acanthamoeba encephalitis, acute encephalitis, amebic encephalitis, autoimmune encephalitis, bacterial encephalitis, balamuthia encephalitis, brainstem encephalitis, clinical picture and treatment of encephalitis, diagnosis of encephalitis, eastern equine encephalitis, etiology encephalitis, focal encephalitis, human immunodeficiency virus type 1 encephalitis, Japanese encephalitis, lobar encephalitis, paraneoplastic encephalitis, Powassan encephalitis, Rasmussen's encephalitis, recurrent encephalitis, unilateral encephalitis, unknown etiology encephalitis, viral encephalitis, viral-causes of encephalomalacia encephalomyelitis encephalomyelitis, autoimmune encephalomyelitis, parainfectious encephalomyelitis, paraneoplastic encephalomyelitis, postinfectious encephalopathy encephalopathy, acute encephalopathy, acute necrotizing encephalopathy, anoxic encephalopathy, Hashimoto's encephalopathy, metabolic encephalopathy, neonatal encephalopathy, parainfectious encephalopathy, progressive endemic area endocarditis endocarditis, acute bacterial endocarditis, fungal endocarditis, infectious endocarditis, marantic endocarditis, neurologic manifestations with endocarditis, prophylaxis endocarditis, subacute bacterial endovascular therapy enteritis enuresis enzyme, defect enzyme, muscle disease enzyme, serum eosinophilia ependymitis epidemic epidemiology of neurology epilepsia partialis continua episcleritis episodic disorders episodic neurologic deficits episodic unconsciousness epistaxis Epstein-Barr virus Epstein-Barr virus, negative Erdheim-Chester disease erectile dysfunction ergotamine erythema migrans erythema nodosum escherichia coli etanercept evidence-based research evoked potentials exercise exercise-related muscle strength increase exophthalmus extralimbic encephalitis extraocular muscle enlargement extreme delta brush eye closure eye movement, disorders of eye movement, painful eye, pain in Fabry's disease face, numbness of facial nerve palsy facial nerve palsy, bilateral 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 false positive VDRL famciclovir familial fasciculation fatigue fear feeding disorder fellowship training ferritinemia fetal death fetal tissue fever fibrillations fibrinolytic agents fine motor function, impaired finger flexor weakness finger nose finger test finger weakness fingernails, abnormal fingolimod Fisher's syndrome flaccid paralysis FLAMES floaters floppy infant flow study, cerebral fluconazole flu-like illness fluorescein angiography fluorescent treponema antibody absorption/false positive food poisoning food-borne infection foot drop foreign body reaction foscarnet fourth ventricle, floor fracture, long bone frontal lobe, behavior with disease of frontal lobe, lesion of frontal lobe, pathologic signs of frozen section fundus, abnormality of fungal infection fungal infection, CNS fungal infection, CNS, treatment of F-wave response gabapentin gadolinium gag reflex, depressed gait disorder gait, apraxic gait, spastic gait, waddling galactorrhea gamma amino butyric acid gamma amino butyric acid receptor antibody gammaglobulin therapy, intravenous ganciclovir ganglionitis gangliosides gastric biopsy gastritis gastroenteritis gastrointestinal disease, neurologic complications gastrointestinal perforation gastroparesis gaze palsy gaze palsy, horizontal gaze palsy, horizontal-bilateral gaze palsy, supranuclear gaze palsy, vertical gender gene genetic linkage genetic neurologic disorders genetic testing genital ulcerations genu of corpus callosum geographic location Gerstmann syndrome GFAP-IgG Ghana Gilles de la Tourette syndrome glare, light-induced glioblastoma multiforme(astrocytoma Gr.III) glioma gliomatosis cerebri globus pallidus globus pallidus, lesion of globus pallidus, lesion of, bilateral GluD2 GLUT1 deficiency syndrome glutamic acid decarboxylase, antibody gluten ataxia gluten sensitivity gluten-free diet glycine receptor antibodies GM antigen test GM1 ganglioside GM1 ganglioside antibodies Good syndrome gram negative rod gram positive rod granulomatosis with polyangiitis granulomatosis, allergic granulomatous disease granulomatous hypophysitis grasp reflex Graves ophthalmopathy gray hair gray matter grimacing growth retardation 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, recurrent Guillain Barre syndrome, relapse Guillain Barre syndrome, steroid treatment in Guillain Barre syndrome, variant forms of Gulf War syndrome gynecomastia gyrus, abnormal H1N1 influenza hallucination hallucination, auditory hallucination, olfactory hallucination, visual hamster hand numbness hand swelling hand weakness handedness handwriting head bobbing head injury head injury, pediatric head lag headache headache, bilateral headache, continuous headache, drug induced headache, frontal headache, intermittent headache, progressive headache, retro-orbital headache, severe headache, sudden onset of headache, temporal headache, unilateral headache, vascular hearing loss hearing loss, bilateral heart block heart murmur heart valve surgery heart valve, prosthetic heart valve, repair heat intolerance heavy metal intoxication helminthic infection of CNS hematoma, epidural-spinal hematuria, microscopic hemianopia hemianopia, homonymous hemiballismus hemichorea hemimyoclonic jerks hemiparesis hemiparesis, transient hemiplegia hemiplegia, progressive hemophagocytic lymphohistiocytosis hemophagocytic lymphohistiocytosis, cerebromeningeal hemophagocytosis hemophilus influenza hemoptysis hemorrhagic diathesis hemosiderosis of CNS, superficial heparin heparin, low-molecular-weight hepatic encephalopathy hepatic failure hepatitis hepatitis C virus hepatomegaly hepatosplenomegaly heralding manifestation 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 simplex virus, pathology of herpes simplex, neurocutaneous lesions in herpes virus herpes virus infection herpes zoster herpes zoster, disseminated herpes zoster, myelitis herpes zoster, ophthalmicus herpes zoster, vaccine herpes, genital hiccoughs highly active antiretroviral therapy hip pain hippocampal atrophy hippocampus hippocampus, hyperintense histiocytosis histoplasmosis HLA hoarseness Hodgkin's disease Hodgkin's disease, neurologic involvement with home management homosexual honey Hoover's sign Horner's syndrome hospital length of stay hot bath test H-reflex testing H-sign, spinal cord human herpesvirus 6 human herpesvirus 8 human immunodeficiency virus type 1 human immunodeficiency virus type 1, asymptomatic human immunodeficiency virus 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 hydrocephalus hydrocephalus, acute hydrocephalus, non-communicating(obstructive) hyperactivity hyperbaric oxygen hypercoagulable state hyperekplexia hypereosinophilic syndrome(HES) hypergammaglobulinemia hyperglycemia hyperhidrosis hyperkalemia hyperpigmentation of skin hyperreflexia hypersegmented polys hypersensitivity reaction hypersomnia hypertension hypertensive encephalopathy hyperthyroidism hypertonia hypertriglyceridemia hypertrophic intracranial pachymeningitis hypertropia hyperviscosity hypocalcemia hypocomplementemia hypocretin hypofibrinogenemia hypogammaglobulinemia hypoglycemia hypoglycorrhachia hypogonadism hypokalemia hypokalemic periodic paralysis hyponatremia hyponatremia with cerebral disorders hypophonia hypophysitis, IgG4-related hypopituitarism hyporeflexia hyposmia hypotension, systemic hypothalamus hypothalamus, damage to hypothalamus, lesion of hypothyroidism hypotonia hypotonia, infants hypoxia hypoxic encephalopathy iatrogenic neurologic disorders ibuprofen idiopathic idiopathic CD4+lymphopenia idiopathic thrombocytopenic purpura IgG4, serum IgG4-related disease ileus, paralytic illusions imbalance immune checkpoint inhibitors immune complex disease immune effector cell-associated neurotoxicity syndrome immune reconstitution inflammatory syndrome immune reconstitution inflammatory syndrome, paradoxical immune reconstitution inflammatory syndrome, unmasked immune-mediated pathogenesis immune-related adverse events immunocompetent immunodeficiency immunoelectrophoresis, serum immunofluorescence immunofluorescent exam of CSF cells immunohistochemistry immunologic disease immunology and the nervous system immunomodulation immunosuppression immunosuppressive agents immunotherapy implantable cardioverter defibrillator impotence in situ hybridization inappropriate antidiuretic(A.D.H.)hormone inappropriate antidiuretic(A.D.H.)hormone, CNS involvement with inattention inborn errors of metabolism incidence incidental finding inclusion bodies inclusion bodies, eosinophilic intranuclear inclusion bodies, intracytopasmic inclusion bodies, intranuclear inclusion body myositis incoordination india-ink preparation, CSF inebilizumab infant, evaluation of infantile bilateral striatal necrosis infantile spasm infection infectious mononucleosis infectious mononucleosis, neurologic findings with infliximab influenza influenza A virus INR values insect repellent insecticides insomnia insular cortex insular cortex, lesion insular cortex, lesion, bilateral insulin resistance intellectual deficit intellectual deterioration intelligence quotient interferon interferon beta 1-a interferon beta 1-b interferon inducer internal capsule internal carotid artery internuclear ophthalmoplegia internuclear ophthalmoplegia, bilateral interobserver agreement interstitial pulmonary fibrosis intestinal biopsy intestinal pseudoobstruction intracardiac device intracardiac devices intracerebral hemorrhage intracerebral hemorrhage, lobar intracerebral hemorrhage, recurrent intracranial hemorrhage intracranial hypertension, benign intracranial pressure, increased intracranial pressure, increased, treatment of intraneural hemorrhage intrathecal chemotherapy intrauterine infection intrauterine infection, viral intrauterine infection, viral of CNS intravenous intravenous drug abuse intravenous line intrinsic hand muscles, wasting of intubation iododeoxyuridine ipilimumab iritis iron, serum iron, serum, elevated iron, serum, low irritability irritable baby Isaacs syndrome Jakob-Creutzfeldt disease Jakob-Creutzfeldt disease, variant Janeway spots Japan jaundice jaw claudication jaw pain JC virus JC virus cerebellar granule cell neuronopathy JC virus encephalopathy juvenile idiopathic inflammatory myopathy juvenile paresis Kaposi's sarcoma Kawasaki disease kelch-like protein 11 antibodies keratitis Kernig's sign Korsakoff's psychosis labor, complicated labyrinth, disorder of labyrinthitis lacrimal gland enlargement lactate lactic dehydrogenase(LDH) lacunar infarction lateropulsion laughing, pathologic learning disability, in children left handedness leg numbness leg spasms, painful leg weakness, bilateral leg weakness, unilateral Legionella pneumophilia Legionnaires'disease lenticular nucleus, lesion of lenticular nucleus, lesion of, bilateral leptospirosis lesions too numerous to count lethargy leucine rich glioma inactivated 1 antibodies leukemia leukemia, neurologic findings assoc.with leukemia, prophylactic treatment of CNS leukocytosis leukodystrophy leukoencephalitis leukoencephalopathy leukoencephalopathy, differential diagnosis leukoencephalopathy, toxic leukopenia leukostasis levamisole level of consciousness, decreased level of consciousness, fluctuating libido, decreased lid lid abnormalities lid closure, weakness of lid lag lid twitch life expectancy lightheaded limb-girdle weakness limbic encephalitis limbic system lip biopsy lipid storage disorder of CNS lipoprotein receptor-related protein 4 listeria monocytogenes listeriosis, CNS livedo reticularis liver biopsy liver disease liver function enzymes liver scan liver transplantation lomustine long bone lesion lordosis low back pain lumbar drain lumbar ganglia lumbar puncture lumbar puncture, complications of lumbar puncture, repeated lumbosacral plexopathy lumbosacral plexus lumbosacral radiculopathy lung biopsy lung transplantation lung-brain syndromes lupus anticoagulant Lyme disease lymph node biopsy lymphadenopathy lymphadenopathy, axillary lymphadenopathy, hilar lymphocytic choriomeningitis lymphocytic interstitial pneumonitis lymphocytic meningoradiculitis lymphohistiocytosis lymphoid adenohypophysitis lymphoma lymphoma involving CNS lymphoma, meningeal lymphoma, ocular lymphoma, plasmablastic lymphoma, primary of CNS lymphoma, secondary of CNS lymphoma, systemic lymphopenia macular edema maculopathy magnesium sulfate malabsorption malabsorption syndrome malaise malformation, CNS, congenital malignancy screen malignancy, occult malignant papulosis mammogram mania Marcus Gunn pupil marihuana Mary Walker phenomenon masked facies Massachusetts mastoiditis mediastinum, mass of medication withdrawal medulla oblongata medulla oblongata, lesion of medulloblastoma melanoma, malignant memory memory, defect of recent memory, impairment of memory, recent meningeal biopsy meningeal enhancement meningeal thickening meningioma meningismus meningitis meningitis, adults meningitis, aseptic meningitis, aspergillus meningitis, bacterial meningitis, bacterial, community acquired meningitis, bacterial-negative CSF culture meningitis, bacteriologic etiology of meningitis, basilar meningitis, cancer patients with meningitis, candida meningitis, carcinomatous meningitis, chronic meningitis, clinical features of meningitis, CSF cell count-normal meningitis, CSF findings in meningitis, drug induced meningitis, elderly meningitis, eosinophilic meningitis, escherichia coli meningitis, factors influencing mortality in meningitis, fungal meningitis, fungal-negative CSF culture meningitis, gram negative meningitis, granulomatous meningitis, helminthic meningitis, hemophilus influenza meningitis, histoplasma meningitis, iatrogenic meningitis, late neurologic sequelae in meningitis, leukemic meningitis, listeria monocytogenes meningitis, lymphomatous meningitis, meningococcal meningitis, Mollaret's meningitis, neurologic aspects and complications of meningitis, neutrophilic meningitis, neutrophilic, persistent meningitis, newborn meningitis, nocardia meningitis, noninfectious meningitis, parameningeal meningitis, parasitic meningitis, pneumococcal meningitis, predisposing factors in meningitis, pseudomonas meningitis, recurrent meningitis, rheumatoid meningitis, seizures with meningitis, spinal fluid smear and culture of meningitis, spinal fluid smear and culture-negative meningitis, sporotrichosis meningitis, syphilitic meningitis, TB meningitis, toxoplasma meningitis, treatment of meningitis, treatment of, empirical meningitis, viral etiology in meningitis-encephalitis PCR panel meningoencephalitis meningoencephalitis, amoebic meningoencephalitis, toxoplasma meningoencephalomyelitis meningoencephalopathy mental retardation mental status, abnormal mercaptopurine mesial temporal lobe mesial temporal sclerosis mestinon metamyelocytes methotrexate Mexico mGlu R5 antibodies MHATP microabscesses, cerebral microaneurysm, retinal microangiopathy, brain microangiopathy, retina microcephaly microglial nodules microhemorrhage, intracerebral microinfarcts micropthalmia microscopic polyangiitis microsporidia midbrain midbrain, infarction of midbrain, lesion of middle cerebellar peduncle middle cerebellar peduncle, lesion middle cerebellar peduncle, lesion, bilateral middle cerebral artery migraine migraine, prophylaxis Mikulicz's syndrome mild cognitive impairment mimics Mini Mental Status Examination miosis misdiagnosis misnomer mitochondrial disease mitochondrial encephalomyopathy mitoxantrone mitral valve lesion mitral valve vegetation modafinil molecular genetics mongolism monoamines monoamines, brain monoclonal antibodies monoclonal antibodies for tumor cells in CSF monoclonal gammopathy monoclonal gammopathy of uncertain significance mononeuritis multiplex mononeuropathy mononeuropathy multiplex mood change mortality Morvan's fibrillary chorea mosquito motor neuron disease motor neuron disease, misdiagnosis movement disorder movement disorder, drug induced movement disorder, extrapyramidal movement disorder, paroxysmal movement disorder, treatment of MRI MRI pattern MRI, abdomen MRI, abnormal MRI, ADC maps MRI, angiography MRI, angiography, false negative MRI, black blood sequence MRI, CAT scan compared to MRI, contrast enhanced MRI, contrast enhanced, cloud-like MRI, contrast enhanced, subependymal MRI, cortical enhancement MRI, demyelinating disease MRI, diffusion weighted MRI, disappearing lesion on MRI, emergent MRI, false negative MRI, field strength, high MRI, FLAIR MRI, gradient-echo MRI, gray matter enhancement MRI, gyral swelling MRI, high signal foci on MRI, high signal intensity of basal ganglia MRI, lesion burden MRI, lesion size MRI, magnetization transfer sequence MRI, mass effect on MRI, muscle MRI, negative MRI, optic nerve MRI, pelvis MRI, peripheral nerve MRI, punctate pattern MRI, repeat MRI, ring sign MRI, ring sign, open MRI, serial MRI, spinal cord MRI, spine MRI, sulcal hyperintensity MRI, sunburst pattern MRI, susceptibility weighted MRI, target sign MRI, vessel wall MRI, vessel wall enhancement MRI, whole body MRS mucormycosis multifocal fibrosclerosis multinucleated giant cell multiple myeloma multiple organ failure multiple sclerosis multiple sclerosis, acute multiple sclerosis, chronic progressive multiple sclerosis, diagnosis of multiple sclerosis, differential diagnosis of multiple sclerosis, disability status scale multiple sclerosis, etiology of multiple sclerosis, misdiagnosis multiple sclerosis, monosymptomatic multiple sclerosis, relapsing multiple sclerosis, secondary progressive multiple sclerosis, treatment of multiple sclerosis, treatment of, first attack multiple sclerosis, tumefactive multiple sleep latency test multiple system atrophy muromonab-CD3 muscle atrophy, progressive muscle biopsy muscle cramp muscle pain muscle spasm muscle stiffness muscle tenderness muscle twitching muscle weakness muscle weakness, insidious onset of muscle weakness, proximal muscular dystrophy muscular dystrophy, facioscapulohumeral MuSK antibodies mutism myasthenia gravis myasthenia gravis, classification myasthenia gravis, congenital myasthenia gravis, diagnosis myasthenia gravis, differential diagnosis myasthenia gravis, distal weakness myasthenia gravis, drug induced myasthenia gravis, drug resistant myasthenia gravis, etiology of myasthenia gravis, exacerbation myasthenia gravis, familial incidence of myasthenia gravis, infantile and juvenile myasthenia gravis, limb-girdle myasthenia gravis, misdiagnosis of myasthenia gravis, neonatal myasthenia gravis, neuromuscular junction in myasthenia gravis, non motor symptoms myasthenia gravis, ocular myasthenia gravis, paraneoplastic myasthenia gravis, passive transfer of myasthenia gravis, presenting manifestations myasthenia gravis, prognosis of myasthenia gravis, receptor site in myasthenia gravis, remission of myasthenia gravis, sensory loss with myasthenia gravis, seronegative myasthenia gravis, thymectomy in myasthenia gravis, treatment of myasthenia gravis, unmasked myasthenia gravis, variants myasthenic crisis myasthenic syndrome myasthenic syndrome, etiology myasthenic syndrome, treatment of mycobacterium haemophilum mycobacterium xenopi mycophenolate mycoplasma mycoplasma pneumoniae mycotic aneurysm myelinolysis, extrapontine myelitis myelitis, autoimmune myelitis, longitudinal myelitis, transverse myelitis, transverse, recurrent myelodysplasia myelopathy myelopathy, chronic progressive myelopathy, necrotizing myelopathy, tract-specific myelopathy, vacuolar myeloproliferative disorder myeloradiculitis myocardial infarction myocarditis myoclonic jerks myoclonus myoclonus, cortical myoclonus, epilepsy myoclonus, segmental myokymia myopathy myopathy inflammatory, classification myopathy, acquired myopathy, amyloid myopathy, autoimmune myopathy, carcinomatous myopathy, drug-induced myopathy, glycogen storage myopathy, inclusion body myopathy, inclusion body, hereditary myopathy, inflammatory myopathy, inflammatory, classification myopathy, necrotizing myopathy, necrotizing, autoimmune myopathy, necrotizing, immune-mediated myopathy, proximal myopathy, quadriceps myopathy, scleromyxedema myopathy, steroid induced myopathy, steroid responsive myopathy, toxic myopathy, vacuolar myositis myositis specific autoantibody myositis, bacterial myositis, juvenile myotonia myotonia dystrophica myxedema coma narcolepsy nasal septum, perforation of natalizumab nausea and vomiting near syncope neck pain neck stiffness neck weakness necrotizing granuloma negative neisseria meningitis nemaline rod myopathy nemaline rod myopathy, adult onset neoplasm, intracranial neoplasm, intracranial, differential diagnosis of neoplasm, metastatic neoplasm, metastatic to CNS neoplasm, metastatic to CNS-treatment of neoplasm, peripheral nerve neoplasm, posterior fossa neoplasm, primary intracerebral neoplasm, primary intracerebral, presenting as CVA neoplasm, primary of CNS neoplasm, primary of CNS-multiple neoplasm, primary of CNS-recurrent neoplasm, primary of CNS-survival neoplasm, primary of CNS-survival and lymphocytic infiltration neoplasm, primary of CNS-treatment of neoplasm, second primary neoplastic angioendotheliosis nephritis nerve agents nerve biopsy nerve conduction studies nerve conduction studies, motor nerve conduction studies, sensory nerve hypertrophy nerve injury nerve root biopsy nerve root enhancement nerve root hypertrophy neuralgia neurexin-3 alpha antibodies neuritis neuroblastoma neurocutaneous disease neuroendocrinology neurofibrillary degeneration neurofibromatosis 1 neurofibromatosis 2 neurogenic bladder neuroimmunology neuroinfectious diseases neurologic complications neurologic complications of, chronic pulmonary disease neurologic complications of, surgery neurologic complications of, systemic cancer neurologic complications of, systemic disease neurologic consultation neurologic disease neurologic disease, diagnoses of neurologic disease, multifocal neurologic disease, multiple neurologic disease, tempo neurologic education neurologic evaluation neurologic examination neurologic examination, focal neurologic examination, non-focal neurologic history neurologic signs neurologic symptoms neurologic teaching neurologic testing neuromuscular disease, electrodiagnosis of neuromuscular junction neuromuscular junction, abnormality of neuromyelitis optica (Devic's disease) neuromyelitis optica spectrum disorder neuromyelitis optica, IgG neuromyotonia neuronal cell surface antigen neuronal loss neuronopathy neuronopathy, sensory neuroophthalmology neurootology neuropathology neuropathology, brain neuropathy neuropathy, acute neuropathy, ataxic neuropathy, autoimmune neuropathy, classification of neuropathy, cryoglobulinemic neuropathy, diabetic neuropathy, etiologies of neuropathy, iatrogenic neuropathy, immune neuropathy, medication induced neuropathy, motor neuropathy, motor, multifocal neuropathy, multifocal neuropathy, painful neuropathy, paraneoplastic neuropathy, peripheral neuropathy, peripheral, treatment neuropathy, sensory neuropathy, short-fiber neuropathy, toxic neuropathy, vasculitic, nonsystemic neuropathy, vasculitic, systemic neurosyphilis neurotomy neurotoxic neurotoxin neutropenia New England next-generation sequencing night sweats nivolumab NMDA antagonist, late onset NMDA antagonists NMDA receptors nocardiosis non-caseating granuloma noncommunicative non-dominant hemisphere nonsteroidal anti-inflammatory drug nonvasculitic autoimmune inflammatory meningoencephalitis norepinephrine normal novel cell-membrane antigens numbness, extremity numbness, generalized nutritional deficiency nystagmus nystagmus, direction changing nystagmus, pendular nystagmus, primary position of gaze nystagmus, upbeating on upgaze nystagmus, upbeating-in primary position of gaze nystagmus, vertical obsessive-compulsive disorder obstetric complications occipital lobe ocular motility, disorders of oculocephalic reflex oculogyric crisis oculomasticatory myorhythmia oculovestibular reflex old age, neurology of olivary degeneration, hypertrophic Ommaya reservoir onconeural antibodies ophelia syndrome ophthalmoplegia ophthalmoplegia, acute ophthalmoplegia, bilateral, acute ophthalmoplegia, total opisthotonus opportunistic infection opportunistic infection, CNS opsoclonus opsoclonus, differential diagnosis of opsoclonus-myoclonus syndrome optic atrophy optic chiasm optic chiasm, lesion of optic disc edema optic nerve optic nerve sheath enhancement optic nerve, compression of optic nerve, decompression of optic nerve, enhancement optic nerve, enlarged optic nerve, infarction of optic nerve, lesion of optic neuritis optic neuritis, bilateral optic neuritis, recurrent optic neuritis, treatment of optic neuropathy optic neuropathy, bilateral optic neuropathy, ischemic optic neuropathy, ischemic, anterior optical coherence tomography oral ulcerations orbit orbit, lesions of orbit, pseudotumor of orbital apex orbital apex syndrome organ donor organ transplantation orthostatic hypotension oscillopsia osmotic demyelination syndrome osteoblastic lesions, causes of osteomyelitis osteomyelitis, spinal osteoporosis otitis, neurologic complications with outcome research ovarian tumor ovary, enlarged pacemaker, cardiac-transvenous pain pain, abdominal pain, back pain, chronic pain, leg pain, neuropathic pain, testicular pain, thigh palatal myoclonus pancreas transplantation pancreatitis pancytopenia pandemic panic attacks papilledema papillitis papovavirus paralysis, acute paralysis, acute areflexic paraneoplastic brainstem encephalitis paraneoplastic cerebellar degeneration paraneoplastic ganglionopathy paranoia paraparesis paraparesis, spastic paraparesis, spastic, tropical paraphasias paraplegia paraproteinemia parasitic infection parasitic infection, CNS paraspinal muscle parechovirus encephalitis parenteral alimentation paresthesias paresthesias, facial paresthesias, feet paresthesias, generalized paresthesias, hands parietal lobe, lesion of Parkinsonism syndrome Parkinsonism, freezing phenomena in Parkinsonism-dementia complex parotid gland swelling paroxysmal neurologic deficits paroxysmal neurologic disorder pars planitis partial thromboplastin time, prolonged PAS positive PAS positive material in the brain pathognomonic pathology pediatric autoimmune neuropsychiatric disorders associated with streptococcal infection pellagra pelvic mass pembrolizumab penicillamine penicillin pergolide periaqueductal lesion periarteritis nodosa pericarditis perineural invasion perineuritis periodic paralysis periodic paralysis, thyrotoxic peripheral blood smear peripheral blood smear, abnormal peripheral blood stem cell transplantation peripheral nerve, lesion of peritonitis perivascular enhancement pernicious anemia perseveration personality change personality disorder petechiae phenylketonuria phonophobia photophobia photosensitivity, eye photosensitivity, skin pitfalls pituitary pituitary stalk pituitary stalk, enlarged pituitary, enlargement pituitary, lesion of plasma cell dyscrasia plasma cell myeloma, CNS involvement associated with plasmacytoma of brain plasmapheresis plasmapheresis, complications of platelet inhibiting drugs PLEDs PLEDs, bilateral independent PLEDs, etiology of pleocytosis of cerebrospinal fluid pleocytosis of cerebrospinal fluid, neutrophilic pleural effusion pleurisy pneumocystis carinii pneumonia POEMS syndrome poison, organophosphate poliomyelitis poliomyelitis vaccine polycythemia, primary polycythemia, secondary polyinosinic cytidic acid(poly IC) polymerase chain reaction polymerase chain reaction, false negative polymerase chain reaction, false positive polymyalgia rheumatica polymyositis polymyositis, eosinophilic polyneuritis polyneuropathy polyneuropathy, carcinomatous polyneuropathy, chronic inflammatory demyelinating polyneuropathy, chronic inflammatory demyelinating, childhood polyneuropathy, chronic inflammatory demyelinating, variant form polyneuropathy, chronic inflammatory demyelinating-pure motor syn polyneuropathy, chronic inflammatory demyelinating-sens atax var polyneuropathy, chronic inflammatory demyelinating-variant forms polyneuropathy, chronic relapsing polyneuropathy, uremic polyradiculoneuropathy polysomnogram pons, infarction of pons, lesion of porphyria positional head-hanging test positive sharp waves post herpetic neuralgia post infectious cerebellar ataxia post infectious polyneuropathy post transplant lymphoproliferative disease posterior column disease posterior fossa, mass of posterior inferior cerebellar artery syndrome posterior leukoencephalopathy syndrome postinfectious postoperative neurologic complications postpartum posttransplant lymphoproliferation disorder postural abnormality postviral fatigue syndrome potassium potassium channel antibodies potassium channel dysfunction practice guidelines praziquantel precipitating factors pre-eclampsia pregnancy, neurologic complications in premature infant prethrombotic state prevention of neurologic disorders primary thrombocythemia prion disease progeria prognosis progressive encephalomyelitis with rigidity syndrome progressive multifocal leucoencephalopathy progressive multifocal leukoencephalopathy, etiology progressive neurologic disorder propranolol proprioception, abnormal proptosis proptosis, unilateral prosopagnosia proteinuria proteus mirabilis protozoan infection pruritus Pseudallescheria boydii pseudoathetosis pseudocyst pseudointernuclear ophthalmoplegia pseudomonas aeruginosa psoriasis psoriatic arthritis psychiatric disorder psychiatric problems in neurologic disorders psychological testing psychological testing, neurologic problems psychomotor retardation psychosis psychosis, acute psychosis, childhood psychotic behavior ptosis ptosis, bilateral ptosis, unilateral puberty puberty, delayed pulmonary disease pulmonary embolism pulmonary function tests pulmonary infection pulmonary infiltrates pulmonary nodules pulvinar sign pupil pupil, abnormality in neurologic disorders pupil, dilated and fixed, bilateral pupil, dilated, bilateral pupil, light reflex of pupil, light reflex, abnormal pupil, light reflex, reversed pupil, tonic pure autonomic failure Purkinje cell Purkinje cell surface antibody purpura putamen, lesion of, bilateral pyramidal tract pyramidal tract dysfunction quadriceps atrophy quadriceps weakness quadriparesis quadriparesis, progressive quadriplegia quadriplegia, transient quality of life quinine race radiation hypersensitivity radiation necrosis radiation therapy, CNS treatment and complications with radiation therapy, total body radiculitis radiculoneuritis radiculopathy radioimmunoassay Ramsay Hunt syndrome Rankin score rapidly fatal neurologic illness rapidly progressing neurologic illness rash ravulizumab raw milk ingestion Raynaud's phenomenon reactive pleocytosis recurrent red cell aplasia Red flags regional enteritis relapsing polychondritis release phenomena REM sleep REM sleep behavior disorder remote effect of cancer on the nervous system renal biopsy renal cell carcinoma renal failure renal failure, acute renal infarct renal transplantation renal tubular necrosis renal vein thrombosis repetitive nerve stimulation research respirations in CNS disease respirator respiratory arrest respiratory failure respiratory tract infection restless leg syndrome restrictive ophthalmopathy reticulum cell sarcoma 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 vasculitis retinopathy retro-orbital pain retroperitoneal fibrosis retroperitoneal mass reversal of sleep wake cycle reversible cerebral vasoconstrictive syndromes reversible neurologic disorder review article rhabdomyolysis rheumatoid arthritis rheumatoid arthritis factor(R.A.factor) rheumatoid arthritis, neurologic complications of rhinocerebral phycomycoses rhinorrhea rhinorrhea, CSF rhomboencephalopathy rigidity rippling muscle disease risk factors risk stratification risk-benefit assessment rituximab rodents Romberg's sign rooting reflex rozanolixizumab rubella encephalitis rubella encephalitis, progressive rubella syndrome rubella virus rubeola virus rubeola, encephalitis Sabin-Feldman dye test saccadic eye movements saccadic eye movements, abnormal safety salivary gland enlargement saphenous nerve sarcoidosis sarcoidosis, CNS Saudi Arabia scalp tenderness scannig speech Schilder's disease Schirmer test schistocytes schizophrenia Schmidt syndrome sciatica scleritis scleroderma scleroderma, neurologic involvement with scotoma screening sedimentation rate, elevated seizure seizure, adult onset seizure, children seizure, drug resistance seizure, drug-induced seizure, etiology of seizure, febrile seizure, focal seizure, intractable seizure, intractable, treatment of seizure, medication failure seizure, neonatal seizure, non-treatment of seizure, prevalence of seizure, psychomotor-temporal lobe seizure, systemic disease causing seizure, treatment of seizure, treatment of, first seizure, unknown origin seizure, women sella turcica, enlargement of seminoma sensorineural hearing loss sensory ganglia sensory ganglia, abnormal sensory level sensory loss sensory loss, asymmetric sensory loss, truncal sensory nerve action potentials septicemia seroconversion serologic testing serologic testing of cerebrospinal fluid serologic testing, false negative serologic testing, false positive seronegative seropositive serum alanine aminotransferase serum gamma glutamyl transferase serum glutamic oxaloacetic transaminase serum tumor markers sexual behavior, disorder of sheathing of retinal veins shooting pain short stature shunt procedure, ventricular shunt procedure, ventricular-complications of shunt procedure, ventriculo-peritoneal sicca syndrome sick sinus syndrome sickle cell disease single photon emission computed tomography single photon emission computed tomography, thallium single-fiber electromyography sinuses, diseases of sinusitis Sjogren's syndrome Sjogren's syndrome, neurologic manifestations of skew deviation skin, biopsy skin, darkening of skin, lesions in neurologic disorders skull x-ray, abnormal sleep sleep offset paralysis sleep onset paralysis sleep paralysis sleep pathology and physiology slit lamp examination slow virus infection of CNS slurred speech small vessel disease small vessel vasculitis smell Sneddon's syndrome snout reflex soap-bubble appearance somatosensory evoked potentials somnolence sonophobia sore throat South America spasticity speech disorder speech disorder, childhood speech, loss of speech, slowed 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, injury of spinal cord, injury, management of spinal cord, lesion of spinal cord, neoplasm spinal cord, pathologic exam of spinal muscular atrophy spinal percussion spine, metastasis to spirochete infection splenectomy splenium of corpus callosum splenomegaly splinter hemorrhages spontaneous remission sporotrichosis, systemic standing difficulty staphylococcus aureus stare staring spells startle myoclonus startle reaction statin therapy statin therapy, discontinuation status epilepticus status epilepticus, intractable stem cell transplantation steppage gait steroid steroid psychosis steroid responsive encephalitis steroid responsive encephalopathy steroid sparing therapy steroid therapy, CNS treatment and complications with stiff legs stiff limb syndrome stiff man syndrome stiff man syndrome, variant stillbirth Still's disease stimulant drugs streptococcal infection streptococcus pneumoniae streptococcus pyogens stress, emotional striatal encephalitis striatum, lesion of striatum, lesion of, bilateral strokelike episodes strongyloides stercoralis strongyloides stercoralis hyperinfection syndrome subacute myelo-opticoneuropathy(S.M.O.N.)complex subacute sclerosing panencephalitis(S.S.P.E.)Dawson's disease subacute sclerosing panencephalitis, acute subacute sclerosing panencephalitis, adult onset subarachnoid hemorrhage subarachnoid hemorrhage, cerebral convexity subarachnoid hemorrhage, recurrent subconjunctival hemorrhage subcortical hemorrhage subcortical U fibers subcutaneous edema subcutaneous nodules subdural hematoma subinsular cortex subtemporal decompression suck, poor sudden death sulcal effacement superior cerebellar peduncle superior sagittal sinus thrombosis suprasellar lesion Susac's syndrome sweating sweating, abnormality of sweet taste symmetric brain lesions syncope 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 tandem gait, ataxic tangential taste tattoo tau protein telangiectases telemetry, cardiac temozolomide temporal artery, biopsy temporal lobe temporal lobe, lesion temporal lobe, lesion, bilateral temporalis muscle wasting tenderness tenosynovitis tensilon tensilon test, false negative tensilon test, false positive tensilon test, paradoxical teratogenesis teratogenesis, viral teratogenic drugs teratoma teratoma, ovarian term infant testicular biopsy testicular germinoma testicular teratoma testosterone, serum tetanus tetany thalamus, infarction, bilateral thalamus, lesion of thalamus, lesion of-bilateral third nerve palsy thrombocytopenia thrombocytosis thrombophlebitis thrombotic microangiopathy thrush thymectomy thymic hyperplasia thymoma thymus and neuromuscular function thyroglobulin antibodies thyroid function tests thyroid peroxidase antibodies thyroid stimulating immunoglobulins thyroiditis thyrotoxicosis thyrotropin receptor tic tick bite tinnitus tissue plasminogen activator, intravenous titubation tone, muscle, increased tongue, atrophy tongue, fasciculations of tongue, petechiae tongue, protrusion of tongue, ulcer tonic cerebellar fits tonsillar herniation of cerebellum top of the basilar syndrome toxic encephalopathy toxins, nervous system toxocariasis toxoplasma complement fixation test toxoplasma gondii toxoplasmosis, acquired toxoplasmosis, CNS transglutaminase antibodies transient ischemic attack transient ischemic attack, treatment of transient neurologic deficit transplacental virus infections trauma travel history treatment delay treatment of neurologic disorder treatment, empirical tremor tremor, intention tremor, postural tremulousness triangle of Guillain and Mollaret trigeminal neuralgia trigeminal neuropathy trigeminal neuropathy, sensory trinucleotide repeats trismus Trousseau's sign Trousseau's syndrome trypanosoma cruzi tuberculoma of CNS tuberculosis tuberculosis, disseminated tuberculosis, miliary of brain tumefactive lesion tumor necrosis factor inhibitor twitching, face ulcerative colitis ultrasonography ultrasonography, pelvis ultrasonography, testes uncal herniation unconsciousness unconsciousness, episodic unconsciousness, transient uncus undiagnosed United States upgaze upgaze, paralysis of upright-tilt test uremia uremic encephalopathy uremic twitching urinary incontinence urinary retention urinary tract infection uveitis vaccination, neurologic complications with vaccine vaccine-induced thrombocytopenia vaccinia valium valvulopathy varicella zoster virus varicella zoster virus, encephalitis varicella zoster virus, vasculopathy vasculitides vasculopathy vasospasm vasospasm, cerebral vectors of infection Vemurafenib Venereal Disease Research Laboratory test venous thrombosis, non-cerebral ventricular assist device ventriculitis ventriculostomy vertebral artery disease vertebral artery occlusion vertebral artery occlusion, bilateral vertebral-basilar insufficiency vertigo vertigo, episodic vibratory sensation vibratory sensation, abnormal vincristine neurotoxicity violent behavior viral escape viral infection viral infection, CNS viral infection, reactivation viral isolation viral load viral myopathy Virchow-Robin spaces, dilated viremia viruria virus, slow vision loss, sequential vision, blurred vision, blurred, monocular visual acuity visual acuity, decreased visual field defect visual fields visual fields, constricted visual impairment visual loss visual loss, progressive visual loss, slow visual loss, sudden visual loss, sudden-unilateral visual loss, transient visual symptoms vitamin D deficiency vitamin deficiency vitiligo vitrectomy vitreous biopsy vitreous hemorrhage vitreous opacities vocal cord paralysis vocalizations Vogt-Koyanagi-Harada syndrome vomiting, intractable voriconazole walking frame walking, difficulty with war water channel antibodies weakness weakness, acute weakness, episodic weakness, fatiguable weakness, focal weakness, generalized weakness, infant weakness, progressive weakness, proximal Weber's syndrome weight gain weight loss Wernicke's encephalopathy West Nile fever wheelchair 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 writing xanthelasma xerophthalmia xerostomia zilucoplan zoster sine herpete

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