Dementia Flashcards
Extracellular deposits of beta-amyloid in grey matter
Senile plaques
Parkinsonism w/ supranuclear gaze deficits.
PSP (Steele-Richardson-Olsewski Syndrome)
Pseudobulbar palsy. Dysphagia. Dysarthria. Pons and midbrain atrophy.
PSP
Asymmetrical. UL onset. Extrapyramidal rigidity (Akinetic rigidity). Alien hand syndrome of UE (person won’t recognize their own hand)
Cortical basal ganglionic degeneration
Asymmetrical parietal lobe atrophy contralateral to limb
Cortical basal ganglionic degeneration
Decreased metabolism in thalamoparietal and medial frontal areas
Cortical basal ganglionic degeneration
Degeneration of GABA and cholinergic neurons in striatum
Huntingtons
Caudate and cortical atrophy
Huntington’s
Subcortical dementia. Psychosis. Dysphagia. Dysarthria. Rigidity. Tremor. Liver involvement with hepatitis/cirrhosis
Wilson’s
Wilsons has atrophy and hypodensity of
Basal ganglia
Brick red discoloration and atrophy of basal ganglia
Wilson’s
Treat with D-Penicillamine and Pyridoxine. Or Zinc acetate
Wilson’s
Dementia, visual loss, and progressive hemiparesis. Occipital demyelination
PML
Ataxia then dementia
Kuru
Systemic, neuropsychiatric, or nonfocal neurological features. Death within 12 months. Typical EEG changes (generalized periodic sharp wave complexes). 14-3-3 protein in CSF
Sporadic CJD