Nervous System & Special Senses

Normal Processes

Organ structure and function

Abnormal Processes

Infectious, immunologic, and inflammatory disorders

Neoplasms (cerebral, spinal, and peripheral)

Cerebrovascular disease

transient ischemic attacksubarachnoid hemorrhagevascular dementiahypertensive encephalopathysubclavian steal syndromeWallenberg syndromecavernous sinus thrombosis

Disorders relating to the spine, spinal cord, and spinal nerve roots

Cranial and peripheral nerve disorders

Cranial nerve injury/disorders

Horner syndrome

Peripheral nerve/plexus injury/disorders

carpal tunnel syndromeGuillain-Barré syndrome (GBS), neuropathy (Charcot-Marie-Tooth disease), herpes zoster

Erb palsy

Neurologic pain syndromes

trigeminal neuralgia,

Degenerative disorders/amnestic syndromes

Alzheimer diseasePick diseaseLewy body disease/Lewy body dementia

Global cerebral dysfunction

Altered states of consciousnessdelirium

Neuromuscular disorders

Amyotrophic Lateral Sclerosis (ALS)Duchenne muscular dystrophy

Movement disorders

Acute dystoniaessential tremorHuntington diseaseParkinson disease

Congenital disorders

Friedreich ataxia, neural tube defects (spina bifida occultatuberous sclerosisDandy-Walker malformationvon Hippel-Lindau disease

Adverse effects of drugs on the nervous system

Disorders of the eye and eyelid

Infectious and inflammatory disorders of the eye


Neoplasms of the eye


Disorders of the eye and eyelid, structural

glaucoma (closed-angle glaucomaopen-angle glaucoma)

Traumatic and mechanical disorders

subconjunctival hemorrhage

Disorders of the ear

Infectious and inflammatory disorders of the ear

Acute otitis mediaotitis externaotitis media with effusion