Differential (Click to cross reference) abdominal cramps abdominal distention abdominal migraine abdominal protrusion abdominal tenderness abducens nerve paralysis abducens nerve paralysis, bilateral abortion, spontaneous abscess, cerebellum abscess, intracerebral abscess, intracerebral, multiple abscess, intracerebral, recurrent abscess, intracerebral, treatment of abscess, intracerebral, tuberculous abscess, intracranial abscess, intracranial-fungal abscess, lung abscess, sphenoid sinus abscess, spinal cord abscess, vertebral abulia acalculia acetaminophen acetazolamide acetylcholinesterase acid maltase deficiency acne vulgaris acoustic nerve acoustic nerve, cochlear division of acoustic nerve, vestibular division of acoustic neurinoma acquired immunodeficiency syndrome acquired immunodeficiency syndrome dementia complex acquired immunodeficiency syndrome dementia complex, pathogenesis acquired immunodeficiency syndrome myelopathy acquired immunodeficiency syndrome, heralded by 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branch of middle cerebral artery anterocollis anthrax anti citrullinated antibody anti HMGCR antibody anti Hu antibody anti Jo1 antibody anti Ku antibody anti Ma anti MAG antibodies anti Mi2 antibody anti signal recognition particle antibody antibiotic prophylaxis antibiotics antibiotics, neurologic complications with anticardiolipin antibodies anticholinesterase anticoagulant, complications of anticoagulant, discontinuation anticoagulant, reversal of anticoagulant, treatment anticoagulant, treatment in CVD anticonvulsants anticonvulsants, hypersensitivity syndrome anticonvulsants, mechanism of action of anticonvulsants, parenteral administration anticonvulsants, selection of anticonvulsants, teratogenicity of anticonvulsants, untoward effects of antidepressant antiemetic antifibrinolytic drugs antifungal agent antiganglioside antibodies anti-myeloperoxidase antineutrophil cytoplasmic autoantibodies anti-PF4-heparin IgG antibodies antiphospholipid antibodies antisynthetase syndrome antiviral agents anxiety anxiolytic agents aorta, abnormal aorta, occlusion aorta, sheathing aortic arch stenosis aortic arch study aortic stenosis aortic surgery aortic valve, lesion of aortic valve, regurgitation aortic wall, thickened aortitis aortofemoral artery bypass aphasia apnea apolipoprotein E aqueduct of Sylvius, obstruction arachnoid web arachnoiditis arachnoiditis, opticochiasmatic arbovirus area postrema areflexia Arizona arm atrophy arm weakness Arnold Chiari malformation arrhythmia, cardiac arsenic arterial dissection arterial dissection, aorta arterial dissection, basilar arterial dissection, bilateral arterial dissection, carotid arterial dissection, intracranial arterial dissection, multiple arterial dissection, precipitating events arterial dissection, recurrent arterial dissection, ruptured arterial dissection, spontaneous arterial dissection, vertebral arterial puncture arterialization of conjunctival vessels arteriopathy arteriovenous malformation arteriovenous malformation, cerebral arteriovenous malformation, cerebral, ruptured arteriovenous malformation, cerebral, unruptured arteritic anterior ischemic optic neuropathy arteritides arteritis, temporal arteritis, temporal, occult arthralgia arthritis arthropathy artificial intelligence ascending paralysis ascorbic acid Asia Asians aspartate aminotransferase aspergillosis aspiration aspirin aspirin, dose of aspirin, failure of astereognosis asterixis asthma astrocytoma asymptomatic asystole ataxia ataxia, acute onset ataxia, cerebellar ataxia, progressive ataxia, sensory ataxia, truncal ataxic gait atherosclerosis, generalized athetosis atlanto-axial subluxation atogepant atrial fibrillation atrial fibrillation, treatment atrioventricular block atropine atypical audiogram autoantibodies autoimmune basal ganglia encephalitis autoimmune cerebellar ataxia autoimmune disease autoimmune encephalopathy autoimmune GFAP astrocytopathy autoimmune meningitis automobile accidents autonomic dysfunction autonomic dysfunction, acute autonomic neuropathy autonomic neuropathy, idiopathic axonal injury axonal shear injury azathioprine azidodeoxythymidine B 12 deficiency B cell lymphoma B12 babesiosis Babinski sign back exercises back schools back support back surgery baclofen bacterial endocarditis, neurologic manifestations of bacterial infection bacterial infection, CNS BAL barbiturate Barkhof MR criteria for MS basal cistern basal ganglia basal ganglia, calcification of basal ganglia, lesion of basal ganglia, lesion, bilateral basilar artery basilar artery migraine basilar artery occlusion basilar artery stenosis basilar impression basophilic stippling of red blood cells bat bite Beau's lines bed rest bee sting bee sting, neurologic complications with behavior modification behavior, combative behavioral disorder behavioral disorder, acute Behcet's syndrome Bell's phenomenon benign essential tremor benign positional vertigo benzodiazepine beriberi beta-D-glucon binge drinking Bing-Neel syndrome biofeedback biologic markers biological warfare bitemporal visual field defect bitter taste blacks bladder dysfunction blastomycosis bleeding disorder blepharospasm blind spot, enlarged blindness blindness, monocular blindness, transient blood cultures blood dyscrasias, neurologic findings with blood gases, arterial blood pressure blood pressure, control blue toe syndrome body mass index bone marrow biopsy bone marrow suppression bone marrow transplantation bone pain bone scanning bone survey Borrelia burgdorferi infection Borrelia miyamotoi infection botulinum toxin botulinum toxin, complications of bowel urgency brachial amyotrophic diplegia brachial neuritis brachial neuritis, acute brachial neuritis, prognosis of brachial plexus brachial plexus injury brachial plexus injury, prognosis of brachial plexus neuropathy brachial plexus neuropathy, familial brachial plexus neuropathy, recurrent brachial plexus, postoperative palsy of brachial radiculoplexopathy bradycardia brain atrophy brain biopsy brain biopsy, complications of brain biopsy, false negative brain biopsy, indication brain biopsy, negative brain biopsy, stereotaxic brain damage brain fog brain natriuretic peptide brain purpura brain scan, abnormal brainstem brainstem, edema brainstem, glioma brainstem, glioma, adult brainstem, hemorrhage, secondary brainstem, infarction of brainstem, lesion of brainstem, neoplasms of brainstem, vascular malformation of breast feeding bromocriptine Brompton solution Brown Sequard syndrome brucellosis brucellosis, nervous system involvement with Brudzinski's sign bruising bruit bruit, abdominal bruit, asymptomatic bruit, cranial bruit, orbit bruit, self-audible bruit, supraclavicular Bruns' Syndrome bruxism Budd-Chiari Syndrome bulbar palsy BUN, elevated burning feet burning feet, differential diagnosis of burning hands burning mouth burning mouth syndrome burning paresthesia burning skin bursitis burst suppression pattern, electroencephalogram buttock numbness 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deficiency carnitine deficiency myopathy carotid angiogram carotid artery carotid artery disease carotid artery disease, asymptomatic carotid artery disease, noninvasive evaluation of carotid artery narrowing carotid artery occlusion, bilateral carotid artery occlusion, intracranial carotid artery occlusion, neck carotid artery stenosis carotid artery stenosis, bilateral carotid artery stenosis, intracranial carotid artery stenosis, preocclusive carotid artery, enlarged external diameter carotid sinus syndrome carotid siphon carotid-siphon stenosis carotidynia carpal tunnel syndrome case studies cat exposure CAT scan CAT scan, abdomen CAT scan, abnormal CAT scan, abscess, cerebral CAT scan, angiography CAT scan, base of skull CAT scan, cerebrovascular disease CAT scan, chest CAT scan, contrast enhanced CAT scan, contrast enhanced, subepend. CAT scan, disappearing lesion on CAT scan, emission CAT scan, emission, abnormal CAT scan, false negative CAT scan, gray matter enhancement CAT scan, head injury CAT scan, indications for CAT scan, mass effect on CAT scan, metrizamide CAT scan, myelogram with CAT scan, negative CAT scan, orbits CAT scan, pelvis CAT scan, perfusion CAT scan, ring sign CAT scan, serial Cat scan, sinus CAT scan, spinal cord CAT scan, spine CAT scan, venography cataracts catatonia catecholamine cat-scratch disease cattle cauda equina cauda equina, enhancement cauda equina, lesion of causalgia cavernous hemangioma cavernous sinus cavernous sinus, expansion cavernous sinus, lesion of cavernous sinus, meningioma cavernous sinus, metastasis to cavernous sinus, syndrome cavernous sinus, thrombosis cavernous sinus, thrombosis, septic CD4 counts CD8 encephalitis Cefaly device ceftriaxone celiac disease, adult celiac plexus blockade Central America central nervous system, infection of central pontine myelinolysis central retinal artery occlusion cephalosporins cerebellar atrophy, secondary cerebellar cognitive affective syndrome cerebellar degeneration cerebellar edema cerebellar hemangioma cerebellar hemorrhage cerebellar infarction cerebellar lesion cerebellar pontine angle cerebellar pontine angle tumor cerebellar tonsils cerebellitis cerebellum cerebellum, clinico-path correlations cerebellum, neoplasms of cerebral arteries cerebral atherosclerosis cerebral autosomal dominate arteriopathy with subcortical infarction and leukoencephalopathy cerebral blood flow cerebral cortex cerebral cortical atrophy cerebral edema cerebral edema, cytotoxic cerebral edema, origin and treatment cerebral edema, unilateral cerebral edema, vasogenic cerebral embolism cerebral embolism, cardiac origin cerebral embolism, mechanical extraction cerebral infarction cerebral infarction, hemorrhagic cerebral infarction, small, deep cerebral ischemia cerebral veins cerebral venous infarction cerebral venous thrombosis 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cervical spondylosis, differential diagnosis of cervical traction channelopathy Charcot-Marie-Tooth chelation therapy chemical meningitis chemical weapons chemonucleolysis chemosis chemotherapy, CNS treatment and complications with chest pain chest x-ray chest x-ray, abnormal chewing movements chiasmal syndromes children chills chin numbness China chiropractic manipulation chiropractic manipulation, neurologic complications with chlorambucil chloride channel dysfunction chlorpromazine choking cholecystitis cholelithiasis cholinergic crisis chondrocalcinosis chordoma chorea choreoathetosis choriocarcinoma chorioretinitis choroid plexus choroid plexus, enhancement chromosome 14 chromosome 19 chromosome 3 chronic paroxysmal hemicrania chronic progressive external ophthalmoplegia Churg-Strauss syndrome cigarette smoking ciguatera poisoning cingulate gyrus cingulotomy cingulumotomy cirrhosis cisterna magna cisternogram, radionuclide claudication, extremity claudication, intermittent of cauda equina Clinical Pathologic Conference(C.P.C.) clonazepam clonidine clopidogrel clozapine clubbing of fingers cluneal neuralgia cluster headache cluster headache, pathogenesis cluster, geographic coagulopathy cobalt toxicity cocaine coccidioidomycosis cochleae codeine coenzyme Q10 coenzyme Q10 deficiency Cogan's syndrome cognition cognitive-motor dissociation coinfection colchicine cold hands sign cold intolerance cold temperature collagen vascular disease collapsin response mediator protein 5 IgG collateral circulation color vision, impaired coma coma, sudden onset comorbidities compartment syndrome compazine complete blood count complex regional pain syndrome compliance complicated migraine complications compounded drugs compression fracture compression neuropathy concentration, impaired concussion concussion, recurrent concussive convulsions conduction block confusion confusional state, acute congenital malformation congestive heart failure conjugate gaze, forced conjunctival engorgement conjunctival injection conjunctival vessel tortuosity conjunctivitis consanguinity constipation contactin associated protein like 2 antibodies contractures, joint contraindications contrast agents, neurotoxicity of controversies in neurology contusion, cerebral conus medullaris vs.cauda equina lesion conus medullaris, lesion of conversion reaction conversion reaction, children cop 1 copper deficiency copper metabolism, abnormal cordotomy cordotomy, percutaneous cornea, abnormal corneal dystrophy corneal reflex, abnormal corneal reflex, depressed coronary artery bypass coronary artery disease coronary artery spasm coronavirus corpus callosum corpus callosum, infarction of corpus callosum, lesion of cortical blindness cortical blindness, transient cortical hemorrhage cortical infarction cortical ribbon sign cortical vein thrombosis cost cost effectiveness cotton-wool spots cough coumarin counselling COVID-19 COX-2 inhibitor CPAP cranial nerve enhancement cranial nerve enlargement cranial nerve palsies cranial nerve palsies, bilateral cranial nerve palsies, unilateral cranial nerve palsy, alternating cranial nerve section cranial nerve tumor cranial nerves cranial nerves, toxins effecting cranial nerves, vascular compression cranial neuropathy cranial neuropathy, multiple cranial neuropathy, progressive craniectomy, decompressive cranio-cervical junction craniopharyngioma craniotomy crawl regression C-reactive protein C-reactive protein, elevated creatine kinase creatine phosphokinase isoenzyme elevation creatine phosphokinase(CPK)elevated critical care unit crossed straight leg raising test Crowned dens syndrome cryofibrinogenemia cryopyrin-associated periodic syndrome cryptococcal antigen cryptococcal meningitis cryptococcal meningoencephalitis cryptococcoma, cerebral cryptococcosis cubital tunnel syndrome cultured skin fibroblasts Cushing's syndrome cyanosis cyclic vomiting cyclic vomiting syndrome cyclophosphamide cyclosporine cyst cyst, peritumoral cyst, arachnoid cyst, arachnoid, intraventricular cyst, arachnoid, posterior fossa cyst, bone cyst, cortical parenchyma cyst, dermoid of CNS cyst, epidermoid of CNS cyst, intrasellar cyst, neoplastic cerebellum cyst, parenchymal cyst, suprasellar cyst, ventricular cysticercosis cysticercosis, cerebral cysticercosis, intrasellar cysticercosis, intraventricular cysticercosis, spinal cysticercosis, subarachnoid cytokines cytomegalovirus infection cytoreductive surgery D-dimer deafness deafness, bilateral deafness, sudden deafness, unilateral decerebrate posture decision analysis decompression sickness decompressive spinal cord surgery decontamination decorticate posture deep gray nuclei deep tendon reflexes defecation degenerative cervical myelopathy degenerative diseases of CNS dehydration delay in diagnosis delirium delivery, complicated delusion dementia dementia, autoimmune dementia, cerebrovascular disease causing dementia, childhood dementia, rapidly progressive dementia, subcortical dementia, treatment of demyelinating disease denervation potentials dental abscess dental diastema dental extraction dental malocclusion dental procedure, neurologic complications with dental prostheses denture cream depression depression, psychotic dermatitis dermatomes dermatomyositis dermatomyositis, childhood dermoid desipramine developmental milestones, loss of developmental venous anomalies dexamethasone suppression test dexterity, impaired DHE diabetes insipidus diabetes mellitus diabetes mellitus, neurologic manifestations of diabetic amyotrophy diabetic cranialneuropathies diabetic ketoacidosis diabetic mononeuropathy diabetic ophthalmoplegia diabetic radiculopathy diagnostic criteria dialysis dialysis disequilibrium syndrome diaminopyridine, 3, 4 diarrhea dideoxyinosine diencephalon diet dieting difelikefalin differential diagnosis difficulty climbing stairs diffuse infiltrative lymphocytosis syndrome digital neuropathy digital subtraction angiography digital subtraction myelogram dilantin dilantin, hypersensitivity to dimple diphosphonates diplegia, brachial diplopia diplopia, transient diplopia, vertical dipyridamole disability rating scale, neurological disability, neurological disc space infection disc space narrowing discectomy discectomy, lumbar discitis disorientation dissociated sensory loss distal muscle atrophy distal muscle weakness diurnal variation diving dizziness dog bite Dominican Republic donut sign dopa responsive dystonia dopamine agonist dopamine antagonist doppler doppler, color doppler, transcranial dorsal column stimulator down-beat nystagmus doxepin doxycycline DPPX, antibodies, encephalitis drooling drop attacks drop metastasis dropped head syndrome drowsiness drug abuse drug abuse, inhalation drug abuse, neurologic complications of drug abuse, toxic screen In drug addiction drug holiday drug induced neurologic disorders drug interactions drug withdrawal duloxetine duplex ultrasound dura, thickened dural sinus stenosis dural sinus thrombosis dural tear dural venous sinus Durett hemorrhages duvalumab dying dysarthria dyschromatopsia dysdiadochokinesia dysgeusia dyskinesia dyskinesia, abdominal dyskinesia, buccal lingual facial dyskinesia, drug induced dyskinesia, facial dyslexia dysmetria dysmorphic dysphagia dysphasia dyspnea dyspraxia dysraphism, spinal dysthyroid ocularmyopathy dysthyroidism dystonia dystonia, cervical dystonia, drug induced dystonia, etiology of dystonia, focal dystonia, painful dystonia, post traumatic dystonia, treatment of dystrophic calcification Eagle syndrome ear, numbness ear, pain in ear, red ecchymoses Echinacea echinococcus granulosus echocardiogram echocardiogram, LVH echocardiogram, transesophageal echocardiogram, transthoracic, false negative echolalia eclampsia eclampsia, postpartum eculizumab eczema edema, leg edema, pedal edema, periorbital EDTA(ehtylenediamine tetraacetic acid) efficacy Ehlers-Danlos syndrome ehrlichiosis ejection fraction, abnormal El Salvador electrical sensation electrical stimulation electrical stimulation, spinal cord electrical stimulation, spinal nerves electrocardiogram, abnormal electrocoagulation electroencephalogram electroencephalogram, abnormalities of electroencephalogram, diffuse slowing electroencephalogram, video monitoring with electromyogram electron microscopy electrophoretic pattern, serum eletriptan ELISA Elsberg syndrome embolism embolism, air embolism, aortic embolism, atheromatous embolism, brachial artery embolism, cholesterol embolism, retinal embolism, septic embolism, systemic embolism, vertebral-basilar artery embolization, therapeutic embolization, therapeutic, coils emergencies, medical emergencies, neurologic emergencies, ocular emergency physician emotional lability emphysema employment empty sella empyema, epidural empyema, epidural-spinal empyema, subdural encephalitis encephalitis, autoimmune encephalitis, brainstem encephalitis, clinical picture and treatment of encephalitis, 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enzyme, serum eosinophilia eosinophilia-myalgia syndrome eosinophilic granulomatosis with polyangiitis ependymitis ependymoma epicondylitis epidemiology of neurology epidermoid epidural blood patch epidural steroid epilepsia partialis continua episcleritis episodic disorders episodic neurologic deficits episodic paroxysmal hemicrania epistaxis Epley maneuver Epstein-Barr virus Erdheim-Chester disease erectile dysfunction erenumab ergonomics ergotamine erythema erythema migrans erythema nodosum erythrocyte erythromelalgia erythromycin escherichia coli ESPRIT ethics in neurology evidence-based research evoked potentials excedrin extra-strength exercise exercise electrocardiography exercise intolerance exercise-induced leg numbness exercise-induced neurologic dysfunction exercise-induced vascular symptoms exophthalmus exophthalmus, bilateral exophthalmus, pulsatile exophthalmus, unilateral Exserohilum rostratum extension-flexion injury of cervical spine external carotid artery, disease extinction on double simultaneous stimulation extracranial-intracranial arterial bypass extralimbic encephalitis extraocular muscle enlargement extraocular muscle lesion extremity, cold eye closure eye closure, forced eye movement, disorders of eye movement, painful eye, pain in Fabry's disease face, numbness of facet joint injection facial appearance, abnormal facial nerve palsy facial nerve palsy, bilateral facial nerve palsy, recurrent facial nerve, lesion of facial pain facial pain, atypical facial pain, children facial sweating, unilateral facial weakness facial weakness, bilateral faciobrachial dystonic seizure Factor V Leiden factor V, deficiency factor Xa inhibitor failed back syndrome falling false negative false positive false positive VDRL familial familial rectal pain farmer fasciculation fasciculation, benign fasciotomy fat redistribution fatigue femoral artery catheterization femoral neuropathy femoral neuropathy, bilateral fentanyl fever fever of unknown origin fibrillations fibrinolytic agents fibrinolytic agents, intra-arterial local infusion fibrinolytic agents, intra-venous local infusion fibromuscular dysplasia fibromyalgia fine motor function, impaired finger nose finger test finger numbness finger swelling fingernails, abnormal first bite syndrome fish poisoning Fisher's syndrome fistula, arterio-venous fistula, arterio-venous, Brescia-Cimino fistula, arterio-venous, carotid-cavernous fistula, arterio-venous, dural fistula, arterio-venous, dural, spinal fistula, arterio-venous, pial fistula, arterio-venous, pulmonary fistula, arterio-venous, vertebral fistula, atrioesophageal flaccid paralysis flatulence flavivirus flea bite fleas flexeril floaters fluconazole fluctuate flu-like illness fluorescein angiography fluorescent treponema antibody absorption(FTA-ABS) fluoxetine flushing flushing, unilateral folic acid deficiency follicle stimulating hormone fontanel, bulging food poisoning foot deformity foot drop foot drop, bilateral foot drop, differential diagnoses of foot numbness foot ulcer, neuropathic fornix, lesion of fortification spectra foscarnet fourth ventricle, cyst fourth ventricle, floor fourth ventricle, outflow obstruction fracture, long bone fracture, long bones, nerve injury with fremanezumab frontal lobe, pathologic signs of fundus, abnormality of funduscopic exam fungal infection fungal infection, CNS fungal infection, CNS, treatment of fusiarum solani meningitis gabapentin gadolinium gait disorder gait, apraxic gait, spastic gait, waddling galactorrhea galantamine galcanezumab gallium scan gamma amino butyric acid receptor antibody gamma knife therapy gammaglobulin therapy, intravenous ganciclovir ganglionitis gangrene gastrectomy, neurologic complications following gastric biopsy gastric partitioning gastric surgery gastritis gastroenteritis gastrointestinal bleeding gastrointestinal disease, neurologic complications gastrointestinal perforation gastrostomy gastrostomy, percutaneous endoscopic gaze palsy gaze palsy, supranuclear gaze palsy, vertical gemfibrozil gender gene gene mutation general paresis of the insane generic drugs genetic counselling genetic linkage genetic neurologic disorders genetic screening genetic testing genital numbness genital ulcerations gentamicin geographic location Gerstmann syndrome GFAP-IgG giant cell arteritis gingival hyperplasia gingivitis ginkgo biloba ginseng girdle sensation Glasgow coma score glaucoma Gliadel Wafers gliadin antibodies glioblastoma multiforme(astrocytoma Gr.III) glioblatoma multiforme (astrocytoma Gr.III), etiology glioma glioma, low-grade gliomatosis cerebri globus pallidus, lesion of globus pallidus, lesion of, bilateral glomus jugulare tumor glossitis glossopharyngeal nerve glossopharyngeal neuralgia glucagon-like peptide-1 glucosamine glucose tolerance test, abnormal glutamic acid decarboxylase, antibody gluten sensitivity gluten-free diet glycerol glycerol injection glycogen storage disease GM antigen test GM1 ganglioside antibodies goiter Gradenigo's syndrome gram negative rod gram positive rod granular osmiphilic material granuloma, eosinophilic granulomatosis with polyangiitis granulomatous disease grasp reflex Graves ophthalmopathy gray matter greater auricular nerve greater occipital nerve groin pain growth hormone growth hormone antagonist growth hormone deficiency growth retardation guanethidine Guatemala Guillain Barre syndrome Guillain Barre syndrome, axonal form 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, neuropathology of inflammatory lesion of Guillain Barre syndrome, prognosis of Guillain Barre syndrome, sensory Guillain Barre syndrome, variant forms of gum disease gynecomastia gyrus, abnormal hair, loss hair, thinning hallucination hallucination, visual haloperidol hand numbness hand pain hand weakness hands, large harlequin syndrome head circumference head injury head injury, cranial nerves involved in head injury, evaluation of head injury, management of head injury, mild head injury, pediatric head injury, prognosis in head injury, return to play following head turning headache headache, awakened by headache, awakening with headache, bifrontal headache, bilateral headache, bitemporal headache, cerebrovascular disease causing headache, cervical origin headache, children headache, chronic headache, chronic daily headache, classification headache, continuous headache, cough headache, differential diagnosis of headache, drug induced headache, elderly headache, emergency headache, episodic headache, etiology of headache, evaluation of headache, exertional headache, frontal headache, hypnic headache, ice cream headache, icepick headache, intermittent headache, intractable headache, laughing headache, new onset headache, occipital headache, pathophysiology headache, persistent headache, positional headache, post traumatic headache, postictal headache, postpartum headache, precipitating factors headache, preventive treatment headache, progressive headache, prophylaxis headache, rebound headache, recurrent headache, retro-orbital headache, severe headache, sinus headache, sudden onset of headache, temporal headache, throbbing headache, thunderclap headache, treatment of headache, unilateral headache, vascular headache, withdrawal headache, worst of life hearing loss hearing loss, bilateral hearing loss, sudden, bilateral heart block heart block, complete heart murmur heart wall motion dysfunction heat intolerance heavy metal intoxication heliotrope rash helmets helminthic infection of CNS hemangioblastoma hematoma, epidural-spinal hematoma, intracerebral hematomyelia hematuria, gross hematuria, microscopic hemianopia hemianopia, homonymous hemicrania continua hemifacial spasm hemiparesis hemiparesis, recurrent hemiplegia hemoglobin abnormality, neurologic complications of hemoglobinuria hemolysis hemolytic-uremic syndrome hemophilia hemophilus influenza hemorrhage, putamenal hemorrhage, thalamic hemorrhagic diathesis hemosiderosis of CNS, superficial Henoch-Schonlein purpura heparin heparin, low-molecular-weight heparin, subcutaneous hepatic encephalopathy hepatic failure hepatitis hepatitis C virus hepatolenticular degeneration(Wilson's disease) hepatolenticular degeneration(Wilson's disease), screening for hepatomegaly hepatosplenomegaly heprain induced thrombocytopenia heralding manifestation herbs hereditary hemorrhagic telangiectasia(HHT) herniated disc herniated disc, central herniated disc, cervical herniated disc, differential diagnosis of herniated disc, lumbar herniated disc, lumbar, recurrent herniated disc, lumbar-conservative vs.surgical treat.of herniated disc, lumbar-laminectomy herniated disc, steroid treatment of herniated disc, thoracic herniation syndromes, intracranial herpes encephalitis herpes simplex encephalitis herpes simplex encephalitis, atypical herpes simplex encephalitis, diagnosis of herpes simplex encephalitis, differential diagnosis of herpes simplex encephalitis, prognosis of herpes simplex encephalitis, treatment of herpes simplex virus herpes simplex virus infection, immunosuppressed patient herpes simplex, neurocutaneous lesions in herpes virus herpes virus infection herpes zoster herpes zoster, disseminated herpes zoster, ophthalmicus herpes zoster, oticus herpes zoster, vaccine herpetic whitlow hiccoughs highly active antiretroviral therapy hip arthroplasty hip disease hip flexor weakness hip pain hippocampus, hyperintense hirsutism Hispanics histamine-2 receptor blockers histiocytosis histoplasmosis HLA HMGcoA reductase inhibitors hoarseness Hodgkin's disease Hodgkin's disease, neurologic involvement with Hoesch test homocysteine, serum homocystinuria homosexual Honduras hormone replacement hormone therapy Horner's syndrome hospice hospitalization hourglass constrictions of nerves H-reflex testing human diploid cell rabies vaccine human herpesvirus 6 human immunodeficiency virus type 1 human immunodeficiency virus type 1, false positive human immunodeficiency virus type 2 hunger hydatid cyst hydrocephalus hydrocephalus, acute hydrocephalus, complications with hydrocephalus, congenital hydrocephalus, etiology hydrocephalus, fetal hydrocephalus, infants and children hydrocephalus, intrauterine hydrocephalus, non-communicating(obstructive) hydrocephalus, transient hydrocephalus, treatment of hydrophobia hydroquinine hydroxyurea hyperactivity hyperamylasemia hyperbaric oxygen hyperbaric treatment hyperbilirubinemia hypercalcemia hypercapnia hypercoagulable state hyperekplexia hypereosinophilic syndrome(HES) hyperesthesia hyperexcitable peripheral nerve disorder hyperglycemia hyperhidrosis hyperhomocysteinemia hyperintense vessel sign hyperkeratosis hyperlipidemia hyperostosis hyperpathia hyperperfusion syndrome hyperphosphatasia hyperpigmentation of skin hyperreflexia hypersegmented polys hypersensitivity reaction hypersomnia hypertension hypertension, cerebrovascular disease with hypertensive emergency hypertensive encephalopathy hypertensive encephalopathy, venous hyperthyroidism hypertrichosis hypertriglyceridemia hypertrophic intracranial pachymeningitis hypertrophic pachymeningitis, IgG4 related disease hypertrophic spinal pachymeningitis hypertrophy, ventricular hypertropia hypnosis hypoalbuminemia hypocalcemia hypoglossal nerve paralysis hypoglycemia hypoglycorrhachia hypogonadism hypokalemia hypokalemic periodic paralysis hyponatremia hyponatremia with cerebral disorders hyponatremic encephalopathy hypoparathyroidism hypophosphatemia hypophysectomy hypophysitis, IgG4-related hypopituitarism hypopyon hyporeflexia hypotension, systemic hypothalamus hypothalamus, damage to hypothalamus, disturbance of hypothalamus, lesion of hypothalamus, neoplasm of hypothermia hypothyroidism hypotonia hypoxia iatrogenic neurologic disorders ibrutinib ibuprofen idiopathic idiopathic cranial polyneuropathy idiopathic inflammatory myopathy idiopathic midline granuloma idiopathic polyneuropathy IFA IgG4, serum IgG4-related disease ileus, paralytic imbalance imipramine immediate recall immune checkpoint inhibitors immune reconstitution inflammatory syndrome immune-related adverse events immunization, neurologic complications with immunocompetent immunodeficiency immunofluorescence immunohistochemistry immunologic disease immunology and the nervous system immunomodulation immunosuppression immunosuppressive agents immunotherapy impotence inability to sit up inappropriate antidiuretic(A.D.H.)hormone inattention incidence incidental finding inclusion bodies inclusion bodies, eosinophilic cytoplasmic inclusion body myositis incontinence, fecal incoordination India indinavir indomethacin industrial neurologic disorders infection infectious mononucleosis infectious mononucleosis, neurologic findings with inferior colliculus infliximab influenza influenza A virus informed consent infraspinatus muscle in-hospital injection neuropathy injection, intramuscular INR values insect sting insecticides insomnia insular cortex insulin like growth factor 1 intellectual deficit intellectual deterioration interferon interferon alpha interferon beta 1-a interferon beta 1-b interferonopathy interleukin 6 interleukin 6 receptor inhibitor internal carotid artery internuclear ophthalmoplegia internuclear ophthalmoplegia, unilateral interstitial pulmonary fibrosis intestinal biopsy intestinal obstruction intestinal pseudoobstruction intraaortic balloon pump intracerebral hemorrhage intracerebral hemorrhage, causes of intracerebral hemorrhage, clot evacuation intracerebral hemorrhage, differential diagnosis of intracerebral hemorrhage, lobar intracerebral hemorrhage, location of intracerebral hemorrhage, multiple intracerebral hemorrhage, recurrent intracerebral hemorrhage, treatment of intracerebral hemorrhage, young adult intracranial hemorrhage intracranial hypertension, benign intracranial hypertension, benign, differential diagnosis intracranial hypertension, benign, pathogenesis of intracranial hypertension, benign, without headache intracranial hypertension, benign, without papilledema intracranial hypotension intracranial pressure, increased intracranial pressure, increased, treatment of intranasal medication intraocular pressure, increase intrathecal analgesic intrathecal chemotherapy intrathecal steroid intravascular volume expansion intravenous intravenous drug abuse intraventricular chemotherapy intraventricular hemorrhage intraventricular hemorrhage, primary intraventricular hemorrhage, treatment intrinsic hand muscles, wasting of ipilimumab iridocyclitis iris, abnormal iris, neovascularization iritis iron, brain iron, serum, elevated irritability Isaacs syndrome isolated neck extensor myopathy ivy sign JAK2 V617F mutation Japan jaundice jaw claudication jaw jerk, abnormal jaw pain joint steroid injection jugular foramen syndrome juvenile distal and segmental muscular atrophy kaliuresis Kawasaki disease Kayser-Fleischer ring Kearns-Sayre syndrome keratitis keratitis, interstitial Kernig's sign knee pain kyphosis lacrimal gland enlargement lacrimation lactic acidemia lactic dehydrogenase(LDH) lactobacillus lacunar infarction laminectomy laminectomy, cervical laminectomy, lumbar lamotrigine lanreotide large artery disease Lasegues sign laser therapy lateral cutaneous nerve of forearm lateral medullary syndrome lateral rectus palsy lateral sinus thrombosis laterocollis lateropulsion Latin America laughing laughing, pathologic L-dopa L-dopa, drug interactions with and side effects of lead and the nervous system lead line, gingival lead poisoning learning disability Leber's hereditary optic neuropathy lecanemab left-right orientation leg atrophy leg numbness leg spasms leg spasms, painful leg swelling leg weakness, bilateral leg weakness, unilateral Legionnaires'disease Leigh's disease leiomyoma, uterine Lennox-Gastaut syndrome lenticular nucleus, lesion of, bilateral leptomeningeal melanoma leptospirosis lesions too numerous to count lethargy leucine rich glioma inactivated 1 antibodies leukemia leukemia, neurologic findings assoc.with leukocytosis leukoencephalitis leukoencephalopathy leukoencephalopathy, toxic leukopenia level of consciousness level of consciousness, decreased levetiracetam Lhermitte's sign libido libido, decreased lid abnormalities lidocaine lidocaine, intravenous lidocaine, patch lidocaine, topical life expectancy lifestyle ligamentum flavum ligamentum flavum, ossification of lightheaded limb-girdle weakness limbic encephalitis limping linear accelerator linezolid linomide lip, thickening lipid lowering agent lipid storage disorder of CNS lipid storage myopathy lipoma of CNS lipoma of skin lipomatosis lipomatosis, epidural listeria monocytogenes listeriosis, CNS lithium lithotomy livedo reticularis liver disease liver function enzymes liver transplantation long bone lesion loose teeth lorazepam lordosis lovastatin low back pain low back pain, chronic low back pain, cost of low back pain, differential diagnosis of low back pain, risk factors for low back pain, sudden severe L-tryptophan lumbar canal, stenosis of lumbar drain lumbar puncture lumbar puncture, complications of lumbar puncture, indications for lumbar puncture, repeated lumbar spine manipulation lumbar traction lumbosacral plexopathy lumbosacral plexus lumbosacral plexus, lesion of lumbosacral plexus, neuritis lumbosacral radiculopathy lumbosacral radiculoplexopathy lung biopsy lupus anticoagulant luteinizing hormone Lyme disease Lyme disease, children lymph node biopsy lymphadenopathy lymphadenopathy, axillary lymphadenopathy, cervical lymphadenopathy, hilar lymphadenopathy, paraaortic lymphocytic meningoradiculitis lymphoid adenohypophysitis lymphoma lymphoma involving CNS lymphoma, meningeal lymphoma, primary of CNS lymphoma, systemic lymphopenia lysosomal storage disease macroglobulinemia macrognathia macular degeneration magnesium sulfate magnet therapy magnetic stimulation, brain magnification angiography malabsorption malabsorption syndrome malaise malaria malformation, CNS, congenital malformation, vascular malformation, vascular, cerebral malformation, vascular, cryptic malformation, vascular, dural malformation, vascular, screening for malformation, vascular, treatment of malformation, venous malignancy screen malignant external otitis malignant optic glioma of adulthood malingering malpractice managed care mania manic-depressive mannitol Marcus Gunn pupil Marfan syndrome marihuana masseter muscle hypertrophy masseter muscle tenomyositis mastoid, pain of mastoidectomy mastoiditis mattress maxillary nerves McArdle's disease medial branch block medial rectus palsy median neuropathy mediastinum, mass of medical-legal aspects of neurology medulla oblongata, infarction of medulla oblongata, lesion of medullary streaks Mees lines MEK inhibitor melanocytoma, meningeal melanoma, malignant melanomatosis, primary malignant melanosis, primary meningeal MELAS syndrome mellaril memory, defect of recent memory, impairment of memory, recent meningeal biopsy meningeal enhancement meningeal enhancement, nodular meningeal gliomatosis meninges 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, candida meningitis, carcinomatous meningitis, chronic meningitis, clinical features of meningitis, CSF cell count-normal meningitis, CSF findings in meningitis, cysticercosis meningitis, drug induced meningitis, elderly meningitis, eosinophilic meningitis, factors influencing mortality in meningitis, fungal meningitis, fungal-negative CSF culture meningitis, granulomatous meningitis, helminthic meningitis, hemophilus 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status, abnormal mental status, abnormal, acute meperidine meralgia paresthetica MERRF syndrome MERS mesencephalotomy mesial temporal lobe mestinon metabolic acidosis metabolic disorder, primary-screening tests metallic taste metamyelocytes metformin methicillin resistant staphylococcus aureus methotrexate methylmalonic acid, serum methylmalonic acidemia metoclopramide metronidazole Mexican Mexico mexiletine mGlu R5 antibodies microabscesses, cerebral microangiopathy, brain microangiopathy, retina microdecompression microdiscectomy microemboli microglial nodules microhemorrhage, intracerebral microscopic polyangiitis microsurgery microsurgery, transsphenoidal microvascular thrombi microvasculitis midazolam midbrain, lesion of middle cerebellar peduncle, lesion middle cerebral artery territory infarction, malignant middle cerebral artery, occlusion of middle cerebral artery, stenosis of Middle east migraine migraine, children migraine, chronic migraine, equivalents migraine, foods causing migraine, intractable migraine, menses migraine, pathogenesis migraine, pregnancy migraine, premonitory symptoms migraine, prophylaxis migraine, transformed migraine, treatment of migraine, triggers Mills syndrome mimics minimally conscious state minimally invasive lumbar decompression minimally invasive surgery minocycline miosis mirtazapine misdiagnosis misnomer mitochondrial disease mitochondrial encephalomyopathy mitral valve lesion mitral valve vegetation mixed connective tissue disease molecular genetics mongolism Monkeypox infection monoclonal antibodies monoclonal gammopathy monoclonal gammopathy of uncertain significance monomelic amyotrophy monomelic myositis mononeuritis multiplex mononeuropathy mononeuropathy multiplex mononeuropathy, children mononeuropathy, idiopathic mononeuropathy, sensory monoparesis mood change morphine mortality Morvan's fibrillary chorea mosquito motion sickness motor neuron disease Mott cells Mount Fuji sign movement disorder movement disorder, drug induced movement disorder, extrapyramidal movement disorder, treatment of moyamoya moyamoya, adult MRI MRI pattern MRI, abnormal MRI, ADC maps MRI, angiography MRI, angiography, false negative MRI, brachial plexus MRI, CAT scan compared to MRI, cisternogram MRI, contrast enhanced MRI, contrast enhanced, postoperative MRI, contrast enhanced, subependymal MRI, cortical enhancement MRI, curvilinear peppering enhancement MRI, diffusion weighted MRI, disappearing lesion on MRI, emergent MRI, extraocular muscle enhancement MRI, false negative MRI, false positive MRI, FLAIR MRI, flow void, blood MRI, functional MRI, gradient-echo MRI, gray matter enhancement MRI, gyral enhancement MRI, high signal foci on MRI, incidental finding MRI, indications for MRI, linear enhancement MRI, linear lesion MRI, lumbosacral plexus MRI, mass effect on MRI, muscle MRI, negative MRI, nodular enhancement MRI, optic nerve MRI, orbit MRI, pelvis MRI, perfusion MRI, punctate pattern MRI, repeat MRI, 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relaxant muscle spasm muscle spasm, paraspinal muscle stiffness muscle strength, testing muscle tenderness muscle twitching muscle wasting, diffuse muscle wasting, thoracic muscle weakness muscle weakness, insidious onset of muscle weakness, pattern muscle weakness, proximal muscle weakness, sudden onset of musicians mutism myasthenia gravis myasthenia gravis, differential diagnosis myasthenia gravis, drug induced myasthenia gravis, etiology of myasthenia gravis, misdiagnosis of myasthenia gravis, treatment of myasthenic syndrome mycophenolate mycoplasma mycoplasma pneumoniae mycotic aneurysm myelitis myelitis, autoimmune myelitis, longitudinal myelitis, post infectious myelitis, transverse myelitis, transverse, idiopathic myelitis, transverse, prognosis myelitis, transverse, recurrent myelogram myelogram, complications of myelogram, metrizamide myelomalacia myelomeningocele myeloneuropathy myelopathy myelopathy, ischemic myelopathy, acute myelopathy, ascending myelopathy, chronic progressive myelopathy, tract-specific myelopathy, transverse myelopathy, vacuolar myelopathy, venous hypertensive myeloproliferative disorder myeloradiculitis myeloradiculopathy myelotomy myocardial infarction myocardial injury myocardial ischemia myocarditis myoclonic jerks myoclonus myoclonus, cortical myoclonus, segmental myofascial pain syndrome myoglobinuria myokymia myopathy myopathy, acute myopathy, autoimmune myopathy, drug-induced myopathy, genetic myopathy, hypocalcemic myopathy, inflammatory myopathy, metabolic myopathy, mitochondrial myopathy, necrotizing myopathy, necrotizing, autoimmune myopathy, necrotizing, immune-mediated myopathy, proximal myopathy, steroid induced myopathy, steroid responsive myopathy, thyroid disease causing myopathy, toxic myopathy, vacuolar myopia myositis myositis ossifican, localized myositis ossificans, progressive myositis, bacterial myositis, eosinophilic myositis, focal myositis, fungal myositis, granulomatous myositis, ocular myositis, overlap myositis, parasitic myotonia myotonia congenita myotonia, treatment of myotonic discharges nabiximols naloxone nanging naproxen naratriptan narcotic analgesics nasal decongestant nasal discharge nasal obstruction nasal polyp nasal spray nasal stuffiness nausea and vomiting neck extension neck pain neck stiffness neck surgery neck tenderness neck weakness necrotizing granuloma necrotizing vasculitis needle induced neuropathy negative Negri bodies nelfinavir neoplasm, germ cell neoplasm, intracranial neoplasm, intracranial with metastasis extracranially neoplasm, metastatic neoplasm, metastatic to CNS neoplasm, metastatic to CNS-differential diagnosis of neoplasm, metastatic to CNS-multiple neoplasm, metastatic to CNS-origin of neoplasm, metastatic to CNS-prognosis of neoplasm, metastatic to CNS-recurrent neoplasm, metastatic to CNS-surgical resection neoplasm, metastatic to CNS-survival neoplasm, metastatic to CNS-treatment of neoplasm, metastatic to CNS-work up for neoplasm, metastatic to Dura neoplasm, metastatic to lumbosacral plexus neoplasm, metastatic to muscle neoplasm, pituitary neoplasm, pituitary, incidental neoplasm, pituitary, treatment of neoplasm, primary intracerebral neoplasm, primary intracerebral, resection neoplasm, primary intracranial neoplasm, primary of CNS neoplasm, primary of CNS-aged neoplasm, primary of CNS-children neoplasm, primary of CNS-classification neoplasm, primary of CNS-differential diagnosis neoplasm, primary of CNS-incidence of neoplasm, primary of CNS-intraventricular neoplasm, primary of CNS-recurrent neoplasm, primary of CNS-surgical treatment of neoplasm, primary of CNS-survival neoplasm, primary of CNS-treatment of neoplastic angioendotheliosis nephritis nephrotic syndrome nerve agents nerve biopsy nerve biopsy, indication nerve block nerve conduction studies nerve conduction studies, motor nerve conduction studies, sensory nerve grafting nerve growth factor nerve injury nerve root biopsy nerve root compression 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sensory neuropathy, sensory, hereditary neuropathy, short-fiber neuropathy, small-fiber neuropathy, small-fiber, painful sensory neuropathy, toxic neuropathy, vasculitic, nonsystemic neuropathy, vasculitic, systemic neuropathy, work up for neuroprotective agents neuropsychiatry neuroradiology neuroradiology, interventional neuroretinitis neurosis neurosyphilis neurotomy neurotoxic neurotoxin neurotransmitter neurovascular compression neutropenia nevus New England next-generation sequencing NICE guidelines nicotine nicotine patch night sweats nimodipine nitrofurantoin nitrous oxide nivolumab NMDA antagonists NMDA receptors nocardiosis nocturia nonsteroidal anti-inflammatory drug non-vitamin K antagonist oral anticoagulants normal nortriptyline nose blowing nose, abnormal nose, enlargement nosocomial infection notalgia paresthetica Notch3 gene numbness, extremity numbness, generalized nutritional deficiency nystagmus nystagmus, rotary nystagmus, see-saw obesity obsessive-compulsive disorder obturator nerve obturator neuropathy occipital condyle fracture occipital lobe, infarction occipital lobe, infarction, bilateral occipital lobe, lesion of occipital nerve, stimulation occupational neurologic disorders occupational neuropathies octreotide ocular ischemic syndrome ocular motility, disorders of oculomasticatory myorhythmia odynophagia old age, neurology of oligodendroglioma Ommaya reservoir ophelia syndrome ophthalmic artery ophthalmoplegia ophthalmoplegia, bilateral, acute ophthalmoplegia, painful ophthalmoplegia, total ophthalmoplegia, unilateral opiate opportunistic infection opportunistic infection, CNS opsoclonus opsoclonus-myoclonus syndrome optic ataxia optic atrophy optic atrophy, bilateral optic atrophy, unilateral optic canal optic canal, enlargement of optic chiasm optic chiasm, enlarged optic chiasm, lesion of optic disc edema optic glioma optic nerve optic nerve sheath enhancement optic nerve sheath fenestration optic nerve, compression of optic nerve, decompression of optic nerve, enhancement optic nerve, enlarged optic nerve, lesion of optic nerve, neoplasm of optic neuritis optic neuritis, bilateral optic neuritis, treatment of optic neuropathy optic neuropathy, bilateral optic neuropathy, ischemic optic neuropathy, ischemic, anterior optic neuropathy, ischemic, posterior optic neuropathy, toxic oral contraceptives oral contraceptives, cerbrovascular disease and oral contraceptives, neurologic complications with oral ulcerations orbit orbit, biopsy orbit, cellulitis of orbit, fat orbit, inflammation in orbit, lesions of orbit, mass orbit, pneumography of orbit, pseudotumor of orbital apex orbital apex syndrome orbital compartment syndrome orchitis organ transplantation organomegaly oriental orthopnea orthostatic hypotension oscillopsia Osler's nodes osteitis osteoarthritis, lumbar spine osteoblastic lesions, causes of osteogenesis imperfecta osteolytic lesion, causes of osteomyelitis osteomyelitis, spinal osteoporosis otitis, neurologic complications with otosyphilis ototoxicity out-of-hospital emergency care ovarian tumor overlap syndrome overuse syndrome owl's eye sign of spinal cord oxcarbazepine oxycodone oxygen therapy pachymeningitis, cranial Paget's disease Paget's disease, psychosis in Paget's disease, spinal cord problem in pain pain, abdominal pain, anal pain, arm pain, back pain, buttock pain, central pain, chronic pain, deep brain stimulation for control of pain, elbow pain, flank pain, foot pain, genital pain, gustatory pain, head pain, hysterical pain, interscapular pain, intractable treatment of pain, leg pain, management of chronic pain, mouth pain, neuropathic pain, pelvic pain, penile pain, perineum pain, periorbital pain, postlaminectomy pain, psychogenic pain, referred pain, severe pain, surgical treatment pain, teeth pain, testicular pain, thalamic stimulation for control of pain, thigh pain, throat pain, total body pain, wrist palinopsia palliative care pallor palpebral erythema palpitations pancreatitis pancytopenia panic attacks papilledema papilledema, unilateral papillitis paralysis, acute paralysis, acute areflexic paralysis, asymmetric paramyotonia congenita paranoia paraparesis paraparesis, flaccid paraparesis, spastic paraplegia paraplegia, acute paraproteinemia parasitic infection parasitic infection, CNS paraspinal infection paraspinal muscle paraspinal muscle weakness paraspinal steroid injection parenteral alimentation paresthesias paresthesias, circumoral paresthesias, facial paresthesias, feet paresthesias, generalized paresthesias, hands Parkinson disease Parkinson disease, drug induced Parkinson disease, fluctuations in Parkinson disease, nonmotor problems of Parkinson disease, on-off phenomena in Parkinson disease, sensory symptoms in Parkinsonism syndrome Parkinsonism, freezing phenomena in parotid gland swelling parotitis paroxysmal extreme pain disorder paroxysmal neurologic deficits paroxysmal neurologic disorder paroxysmal nocturnal hemoglobinuria PAS positive PAS positive material in the brain pathergy test pathognomonic pathology patient controlled analgesia patient information and support pediatric neurology pelvic mass pembrolizumab penicillamine penicillin penis, hypesthesia of Percutaneous electrical nerve stimulation pergolide perianal sensory loss periaqueductal lesion periarteritis nodosa pericardial effusion pericarditis perifollicular hemorrhage perimetry perineum, numbness of perineuritis perineuritis, optic periodic paralysis periodic paralysis, thyrotoxic perioral numbness peripheral blood smear peripheral blood smear, abnormal peripheral nerve block peripheral nerve, lesion of peripheral pulse, absent peripheral vascular disease perivascular enhancement perivascular inflammation pernicious anemia peroneal nerve palsy peroneal nerve, lesion of perseveration personality change personality disorder pes cavus petechiae phantom limb pharyngeal sensation pharyngeal spasms phenobarbital phenothiazine pheochromocytoma phlebotomy phonophobia photophobia photosensitivity, skin physical activity physical therapy physician as patient pica pigmentary retinopathy pimozide pimozide, side effects pineal pineal, cyst piriformis muscle 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 pituitary, microadenoma placebo plasma cell dyscrasia plasmacytoma plasmapheresis platelet aggregation platelet inhibiting drugs platelet inhibiting drugs, discontinuation platelet thrombi PLEDs pleocytosis of cerebrospinal fluid pleocytosis of cerebrospinal fluid, neutrophilic plethora pleural effusion pleurisy pneumocephalus pneumocephalus, tension pneumonia pneumothorax POEMS syndrome poison, neurologic problems with poison, organophosphate poliomyelitis-like illness polyclonal gammopathy polycystic kidneys polycystic ovarian syndrome polycythemia, primary polycythemia, secondary polydipsia polymerase chain reaction polymerase chain reaction, false negative polymyalgia rheumatica polymyositis polyneuritis polyneuropathy polyneuropathy, chronic inflammatory demyelinating 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, familial polyneuropathy, lymphomatous polyps, gastrointestinal tract polyradiculoneuropathy polyuria Pompe's disease of glycogen storage pons, lesion of pontine glioma porphyria port wine nevus position sensation, abnormal post concussive syndrome post concussive syndrome, persistent post herpetic neuralgia post infectious cerebellar ataxia post transplant lymphoproliferative disease post traumatic pain syndrome posterior cerebral artery territory infarction posterior circulation stroke posterior column disease posterior communicating artery posterior fossa, lesion of posterior fossa, mass of posterior inferior cerebellar artery syndrome posterior interosseous nerve posterior interosseous neuropathy posterior leukoencephalopathy syndrome posterior longitudinal ligament, ossification of posterior spinal artery infarction posterior tibial nerve posterior tibial nerve compression postinfectious postoperative lumbar spine postoperative neurologic complications postoperative visual loss postpartum postpartum cerebral angiopathy postpartum cortical blindness posttraumatic postural abnormality potassium practice guidelines pramipexole pravastatin praziquantel precipitating factors pre-eclampsia pregabalin pregnancy, anticonvulsants during pregnancy, neurologic complications in preherpetic neuralgia premarin premature infant pretectal syndrome prethrombotic state prevention of neurologic disorders primary care physician primary intracranial hypotension primary thrombocythemia progesterone prognathism prognosis progressive multifocal leucoencephalopathy progressive neurologic disorder prolactin prolactin, elevated prolactinoma promethazine propofol propranolol proprioception, abnormal proptosis proptosis, bilateral proptosis, unilateral prostaglandin-E protease inhibitor, HIV-1 protein C deficiency protein S deficiency proteinuria prothrombin time, prolonged proton beam therapy proton pump inhibitors protozoan infection proximal muscle atrophy pruritus pseudoaneurysm pseudoathetosis pseudobulbar palsy pseudocyst pseudodementia pseudomyasthenia psoriatic arthritis psychiatric disorder psychiatric problems in neurologic disorders psychological testing psychological testing, children psychomotor retardation psychosis psychosis, acute psychosomatic disease psychotherapy ptosis ptosis, bilateral ptosis, paroxysmal ptosis, unilateral pudendal nerve pudendal neuralgia pudendal neuropathy puerperium Puerto Rico pulmonary disease pulmonary edema pulmonary embolism pulmonary function tests pulmonary infection pulmonary infiltrates pulmonary nodules pulmonary opacity pupil, abnormality in neurologic disorders pupil, dilated and fixed, bilateral pupil, dilated and fixed, unilateral pupil, dilated, bilateral pupil, tonic Purkinje cell purpura pustules pyramidal tract pyramidal tract dysfunction pyridoxine deficiency quadriceps atrophy quadriparesis quadriparesis, progressive quadriplegia quadriplegia, transient quality of life quinidine quinine rabies prophylaxis rabies, nervous system involvement with race radial nerve radial nerve, palsy of radial nerve, superficial radial neuropathy, sensory radial pulse, unilateral decrease of radial tunnel syndrome radiation necrosis radiation therapy, CNS treatment and complications with radiation therapy, stereotactic radiation therapy, total body radicular pain radiculitis radiculoneuritis radiculopathy radiofrequency ablation radioimmunoassay ragged-red fibers Ramsay Hunt syndrome range-of-motion, neck Rankin score rapidly fatal neurologic illness rapidly progressing neurologic illness rash rash, hand rash, malar rat exposure Raynaud's phenomenon reading disorder, acquired rebound rechallenge rectal biopsy rectal sphincter tone, decreased recurrent red eye red feet Red flags red herring reflex sympathetic dystrophy reflex sympathetic dystrophy, children reflex, loss of regional enteritis rehabilitation for neurologic disorders relapsing polychondritis release phenomena remote effect of cancer on the nervous system renal artery stenosis renal cell carcinoma renal cyst renal failure renal stones renal transplantation repetition strain injury respirator respiratory arrest respiratory depression respiratory failure respiratory tract infection restless genital syndrome restless leg syndrome reticulum cell sarcoma retinal artery occlusion retinal branch artery occlusion retinal hemangioma retinal hemorrhages retinal infarction retinal ischemia retinal lesion retinal tumor retinal vasculitis retinopathy retinopathy, venous-stasis retrobulbar neuritis retrocollis retro-orbital pain retrovirus revascularization, surgical reverse split hand sign reverse straight leg raising test reversible cerebral vasoconstrictive syndromes reversible ischemia reversible ischemic neurologic deficit reversible neurologic disorder reversible splenial lesion syndrome review article rhabdomyolysis rheumatic brain disease rheumatoid arthritis rheumatoid arthritis factor(R.A.factor) rheumatoid arthritis, neurologic complications of rheumatoid vasculitis rhinocerebral phycomycoses rhinorrhea rhinorrhea, CSF rhizotomy rhizotomy, chemical rhizotomy, phenol rhytidectomy riboflavin rickettsial organism rifampin rippling muscle disease risk factors risk stratification risk-benefit assessment ritonavir rituximab rizatriptan Rocky Mountain spotted fever Romberg's sign root lesion, nerve ropinirole rotavirus Roth spots saddle anesthesia safety sagging of the brain salivary gland enlargement salivation, excessive saphenous nerve saquinavir sarcoid-like reaction sarcoidosis sarcoidosis, CNS sarcoma sarcoma, osteogenic sarilumab Sarin scalp necrosis scalp swelling scalp tenderness schistocytes schistosomiasis schizophrenia sciatic neuropathy sciatica scleritis sclerodactyly scleroderma scleromyxedema sclerosis, bone scoliosis scoliosis, neurologic association with scorpion sting scotoma scotoma, central scotomata, scintillating screening scrotum, hypesthesia of scuba diving scurvy season second impact syndrome sedation sedimentation rate sedimentation rate, elevated seizure seizure, children seizure, complications following seizure, differential diagnosis of seizure, drug resistance seizure, duration seizure, elderly seizure, focal seizure, intractable seizure, intractable, treatment of seizure, nonepileptic seizure, prevention of seizure, psychomotor-frontal lobe seizure, psychomotor-temporal lobe seizure, stimulus sensitive seizure, treatment of seizure, treatment of, monotherapy selective serotonin reuptake inhibitors sella trucica sella turcica, enlargement of sella turcica, erosion of sella turcica, tomography of selumetinib sensorineural hearing loss sensory ganglia sensory level sensory loss sensory loss, asymmetric sensory loss, cutaneous sensory loss, leg sensory polyneuropathy sensory polyneuropathy, cryptogenic sensory symptoms sensory testing, quantitative septicemia seroconversion serologic testing serologic testing of cerebrospinal fluid serologic testing, false negative serologic testing, false positive seronegative serositis serotonin serotonin agonist serotonin syndrome serum alanine aminotransferase serum glutamic oxaloacetic transaminase serum tumor markers severe acute respiratory syndrome sex reassignment surgery sexual dysfunction in neurologic disease shaking shared decision making Shiga toxin shooting pain short stature shoulder, pain in shoulder, swelling of shoulder, weakness shoulder-hand syndrome shunt procedure, lumboperitoneal shunt procedure, lumboperitoneal-complications of shunt procedure, ventricular shunt procedure, ventricular-complications of shunt procedure, ventriculo-peritoneal sialadenitis sicca syndrome sickle cell disease sickle cell trait simultanagnosia simvastatin sinemet sinus pain sinus tenderness sinus, biopsy of sinuses, diseases of sinusitis Sjogren's syndrome Sjogren's syndrome, neurologic manifestations of skew deviation skiing skin, biopsy skin, cherry-red skin, darkening of skin, discoloration skin, lesions in neurologic disorders skin, pale skin, temperature difference skin, thickened skull fracture skull fracture, basal skull x-ray skull x-ray, abnormal slaughter house worker sleep sleep apnea sleep apnea, obstructive sleep pathology and physiology sleeping sickness slurred speech small vessel disease small vessel vasculitis small-bowel resection SMART syndrome sneeze snout reflex soap-bubble appearance sodium channel dysfunction sodium valproate sodium valproate, intravenous soluble interlukin 2 receptor somatosensory evoked potentials somatostatin analogue somnambulism somnolence sonophobia sore throat South America spastic diplegia spasticity spasticity, treatment of speech, slowed sphenoid sinus sphenoid sinus biopsy sphenoid sinus mucocele sphenoiditis sphenoidotomy sphenopalatine ganglion block spina bifida spinal accessory nerve spinal accessory nerve palsy 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, extramedullary cyst of spinal cord, infarction of spinal cord, injury of spinal cord, injury, management of spinal cord, intramedullary cyst of spinal cord, ischemic lesion of spinal cord, lesion of spinal cord, metastasis to spinal cord, metastasis to, prognosis of spinal cord, metastasis to, treatment of spinal cord, neoplasm spinal cord, neoplasm, extramedullary spinal cord, neoplasm, extramedullary intradural spinal cord, neoplasm, intramedullary spinal cord, vascular disorders Affecting spinal cord, vascular malformation of spinal fusion spinal headache spinal headache, treatment of spinal manipulation spinal pachymeningitis spinal percussion spinal stenosis spinal stenosis, cervical canal spinal stenosis, familial spine, infection of spine, injury of spine, metastasis to spine, metastasis to, treatment spine, tenderness spirochete infection splenic infarcts splenic-vein thrombosis splenium of corpus callosum splenomegaly splinter hemorrhages spondylitis spondylolisthesis spondylolysis spondylosis spontaneous remission sports medicine, neurology of sprain, cervical sprain, cervical-treatment of Spurling test squamous cell carcinoma of head and neck St. John's wort standing difficulty staphylococcus aureus stare staring spells startle reaction statin therapy statin therapy, discontinuation statin therapy, dose status epilepticus status epilepticus, intractable steatorrhea stellate-ganglion block stem cell rescue stem cell transplantation stent, aneurysm repair stent, aorta stent, carotid artery stent, venous sinus stent, vertebral artery steppage gait stereotaxic surgery sterile water injections steroid steroid injection steroid responsive encephalitis steroid responsive encephalopathy steroid sparing therapy steroid therapy, CNS treatment and complications with stiff joints stiff legs stiff man syndrome Still's disease stimulation, deep brain stimulation, thalamic strabismus straight leg raising test strain, back streptococcus pneumoniae streptomycin stress management stress, emotional striatal encephalitis striatum, lesion of striatum, lesion of, bilateral string sign strokelike episodes stuporous Sturge-Weber syndrome styloid process, elongated subacute sclerosing panencephalitis(S.S.P.E.)Dawson's disease subacute sclerosing panencephalitis, adult onset subarachnoid hemorrhage subarachnoid hemorrhage, causes of subarachnoid hemorrhage, cerebral convexity subarachnoid hemorrhage, clinical presentation subarachnoid hemorrhage, nonaneurysmal subarachnoid hemorrhage, normal cerebral angiography with subarachnoid hemorrhage, prognosis subarachnoid hemorrhage, recurrent subarachnoid hemorrhage, treatment of subarachnoid hemorrhage, work up subclavian artery occlusion subclavian artery stenosis subcortical hemorrhage subcutaneous nodules subdural blood patch subdural effusion subdural hematoma subdural hematoma, bilateral subdural hematoma, spinal subdural hygroma suboccipital decompression substance P subtraction of x-rays sudden death suicide sumatriptan SUNCT syndrome superficial temporal-middle cerebral artery anastomosis superior cerebellar artery infarction superior cluneal neuralgia superior ophthalmic vein superior ophthalmic vein, dilated superior orbital fissure superior orbital fissure syndrome superior sagittal sinus thrombosis supraorbital nerve supraorbital nerve stimulation suprascapular nerve suprascapular neuropathy suprasellar lesion supraspinatus muscle supratentorial lymphocytic inflam parenchy perivasc enhanc responsive to steroids Susac's syndrome suspended sensory loss suxamethonium swallowing swayback sweating sweating, abnormality of Sweet's syndrome swollen joint symmetric brain lesions sympathectomy sympathetic block symptomatic synangiosis syncope syncope, recurrent synovitis synovitis, acne, pustulosis, hyperostosis, and osteitis syndrome syphilis, diagnosis and treatment syphilis, meningomyelitis syphilis, neurologic complications with syphilis, ocular syringomyelia systemic illness systemic juvenile idiopathic arthritis systemic lupus erythematosus systemic lupus erythematosus, childhood CNS systemic lupus erythematosus, neurologic complications with T cell lymphoma tabes dorsalis Tabun tachycardia Takayasu's arteritis Takotsubo cardiomyopathy tamoxifen tandem gait, ataxic Tanzania tapendatol tardive akathisia tardive dyskinesia tardive dystonia tardive pain syndrome Tarlov's cyst tarsal tunnel syndrome taste tectal glioma telangiectases telangiectases, periungual temozolomide temporal artery, biopsy temporal artery, pulsatile temporal artery, tender temporal lobe, lesion temporal lobe, lesion, bilateral temporalis muscle hypertrophy temporalis muscle swelling temporalis muscle wasting temporomandibular joint temporomandibular joint, pain temporomandibular joint, synovitis tender points tenderness tenderness, occipital tendonitis tendonitis, calcific tennis elbow tenosynovitis tensilon test tension headache tentorium cerebelli teratogenesis teratogenic drugs teratoma teratoma, ovarian testicular atrophy testosterone testosterone, serum, low tetany tethered spinal cord tetracycline Texas thalamic syndrome thalamotomy thalamus thalamus, focused ultrasound ablation thalamus, infarction of thalamus, lesion of thalamus, lesion of-bilateral theophylline thermography third nerve third nerve palsy third nerve palsy, bilateral third nerve palsy, partial third nerve palsy, pupil sparing in third nerve palsy, superior branch thirst thoracentesis thoracic outlet syndromes thoracic radiculopathy Three territory sign thrombectomy thrombocytopenia thrombocytosis thrombophlebitis thrombophlebitis, prophylaxis thrombotic microangiopathy thrombotic thrombocytopenia purpura thrush thymoma thyrotoxicosis tiagabine tick bite tick paralysis tick-borne encephalitis Tinel's sign tinnitus tinnitus, pulsatile tissue plasminogen activator, intravenous tizanidine tocilizumab Tolosa Hunt syndrome tongue deviation tongue, enlarged tongue, fasciculations of tongue, infarction tongue, pain tongue, ulcer tongue, weakness tonic foot response tonic spasms tonsillar herniation of cerebellum tooth loss toothache topiramate torticollis torticollis, post traumatic toxic encephalopathy toxins, nervous system toxoplasma complement fixation test toxoplasma gondii toxoplasmosis, acquired toxoplasmosis, CNS toxoplasmosis, muscle tramadol tram-track sign transcutaneous electrical nerve stimulation transdermal medication transgender transient ischemic attack transient ischemic attack, differential diagnosis of transient ischemic attack, venous transient neurologic deficit transient perivascular inflammation of the carotid artery transluminal angioplasty, basilar artery transluminal angioplasty, carotid artery transluminal angioplasty, coronary artery transluminal angioplasty, vertebral artery transverse sinus stenosis trauma travel history travel, foreign treatment induced neuropathy of diabetes treatment of neurologic disorder treatment, empirical tremor tremor, intention tremor, leg tremor, post traumatic tremor, postural tremor, treatment of tremulousness tricyclic antidepressant trigeminal autonomic cephalgia trigeminal nerve trigeminal nerve, lesion of trigeminal nerve, stimulation trigeminal neuralgia trigeminal neuralgia, bilateral trigeminal neuralgia, continuous pain trigeminal neuralgia, etiology trigeminal neuralgia, pathogenesis of trigeminal neuralgia, surgical treatment of trigeminal neuralgia, treatment of trigeminal neuropathy trigeminal neuropathy, sensory trigeminovascular system triglycerides trimethadione trimethoprim-sulfamethoxazole triptans trochlear nerve palsy tropical disease troponin T trypanosoma brucei gambiense tsetse fly tuberculin skin test, positive tuberculoma of CNS tuberculosis tuberculosis, spinal tubular discectomy tumefactive lesion tumor necrosis factor inhibitor typhus, murine typhus, scrub ulcerative colitis ulnar neuropathy ultrasonography ultrasonography, carotid artery ultrasonography, head ultrasonography, orbit uncal herniation unconsciousness unconsciousness, transient undiagnosed upgaze upgaze, paralysis of upward deviation of eyes uremia urinary casts urinary catecholamines urinary incontinence urinary retention urinary urgency urine test for metabolic disorders urine test in toxic screen urine, dark urokinase urticaria uveitis vaccination, neurologic complications with vaccine vaccine-induced thrombocytopenia vagal neuropathy vagus nerve stimulation valacyclovir valium valsalva maneuver varicella zoster virus varicella zoster virus, encephalitis vascular endothelial growth factor vascular malformation, children, intracranial vasculitides vasculitides, benign cerebral vasculitis, large vessel vasculopathy vasoactive substances vasoconstrictive drugs vasospasm vasospasm, cerebral vasospasm, internal carotid artery vectors of infection Venereal Disease Research Laboratory test venlafaxine venogram, cerebral venous engorgement venous hemangioma venous hypertension venous thrombosis, non-cerebral ventriculitis ventriculostomy ventriculostomy, endoscopic verapamil vertebral artery vertebral artery disease vertebral artery occlusion vertebral artery occlusion, bilateral vertebral artery stenosis vertebral erosion vertebral fracture vertebral infarction vertebral-basilar artery, intraluminal clot vertebral-basilar insufficiency vertebrobasilar artery thickening vertigo vertigo, episodic vertigo, migraine causing vertigo, post-traumatic vestibular exercises vestibular migraine vestibular neuritis vestibulopathy vibratory sensation vibratory sensation, abnormal vibratory stimulation Villaret's syndrome violinist viral escape viral infection viral infection, CNS viral load viral myopathy Virchow-Robin spaces, dilated viseromegaly vision, blurred vision, blurred, monocular vision, failure of in childhood visual acuity visual acuity, decreased visual acuity, decreased, monocular visual allesthesia visual field defect visual field defect, altitudinal visual field testing visual fields visual fields, constricted visual impairment visual loss visual loss, permanent visual loss, progressive visual loss, slow visual loss, slow-unilateral visual loss, sudden visual loss, sudden-unilateral visual loss, transient visual obscurations, transient visual symptoms vitamin D vitamin deficiency vitamin E vitamin supplementation vitamin therapy vitamin, multiple vitiligo vitritis voice, abnormality of vomiting, recurrent Von Hippel Lindau von Willebrand factor voriconazole Waldenstrom's macroglobulinemia walking, difficulty with water channel antibodies watershed infarcts weakness weakness, acute weakness, episodic weakness, fluctuating weakness, focal weakness, generalized weakness, progressive weakness, proximal weakness, rapidly progressive weakness, unilateral weight gain weight loss weight management Wernicke's aphasia West Nile fever Western immunoblot test wheelchair wheezing Whipple's disease white matter disease white matter disease, pattern white matter disease, periventricular white matter disease, subcortical white matter disease, unilateral whites wide based gait winging of scapula word-finding difficulty work loss work performance workers' compensation workup wound healing, poor writers cramp writing xerophthalmia xerostomia x-ray, cervical spine x-ray, lumbar spine x-ray, spine yawning movements zinc zolmitriptan

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