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26 Cards in this Set

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Respiratory acidosis, hypoxemia:
increase cerebral vessel permeability; enhance cerebral edema b/c CO2 det. bl. vess in brain
Papilledema:
sign of cerebral edema
Pseudotumor cerebri:
increase intracranial pressure without evidence of tumor or obstruction b/c of CSF decrease resorption
Uncal herniation:
compression of oculomotor nerve. midbrain hemorrhage, oculomotor nerve palsy, mydriasis
Blockage of aqueduct of sulvius:
most common cause of hydrocephalus in newborns b/c sutures haven't fused
Hydrocephalus adults:
dementia, gait disturbance, urinary incontinence
Syringomyelia:
decrease pain and temperature sensation in hands
Tuberous sclerosis:
mental retardation; seizures; hamartomas in brain, kidneys. Rhabdomyoma in heart, angiofibroma on face
Neurofibromatosis:
associated with pheochromocytoma, acoustic neuromas
Atherosclerotic stroke:
pale infarction extending to periphery of cerebral cortex
Embolic stroke:
hemorrhagic infarction extending to periphery of cerebral cortex
Intracerebral hemorrhage:
complication of hypertension
Lacunar strokes:
caused by hypertension or diabetes mellitus
Meningitis:
increase CSF protein (viral, bacterial, fungal); decrease CSF glucose (bacterial, fungal)
MS:
autoimmune destruction of myelin sheath and oligodendrocytes
Bilateral internuclear ophthalmoplegia:
pathognomonic for MS - demyelination of MLF
Oligoclonal bands in CSF electrophoresis:
due to rapid intravenous correction of hyponatremia
Alzheimer's disease:
increase B-amyloid, --> destruction of neurons. increase density of neurofibrillary tangles and amyloid plaques
Huntington's disease:
atrophy of caudate nucleus
Wilson's disease:
cystic degeneration of putamen
Acute intermittent porphyria:
"bellyful of scars". psychosis, periph neuropathy, dementia
Wernicke-Korsakoff syndrome:
hemorrhage in mamillary bodies
Meningioma:
female predominance; psammoma bodies
Ependymoma:
fourth ventricle in children; cauda equina in adults
Oligodendroglioma:
frontal lobe calcifications in an adult
Primary CNS lymphoma:
occurs in AIDS; EBV-mediated cancer