Word Associations Flashcards
Paranoia
cocaine/amphetamine intoxication
Depression
cocaine/amphetamine withdrawal
Arrythmias
cocaine intoxication
Violence
PCP
Vertical nystagmus
PCP
Pinpoint pupils
opiate overdose –> naloxone to treat
Flu-like muscle aches
opiate withdrawal –> clonidine to treat/ease withdrawal
Flashbacks
LSD
Seizures
benzoid withdrawal –> tx with phenobarbitol
Death
barbituate withdrawal
neurofibrillary tangles
tau
senile plaques
beta amyloid
mature plaques
have a core
neuritic plaques
have fibers inside them
lewy bodies
alpha synuclein
alpha synuclein in eocortical areas and basal ganglia
lewy body dementia
central pink core with halo and border of neuromelanin
lewy body
alpha synuclein in oligodendrocytes
multiple system atrophy (not parkinson)
globose tangle and neuropil threads with tau stain
supranuclear palsy
extension of tumor into corpus callosum (butterfly)
glioblastoma
parenchymal infiltration and irregular hyperchromatic nuclei and satellitosis
astrocytic glioma
large nuclei with prominent nucleoli
neuron
dark nucleus with no cytoplasm
oligodendrocyte
oval, light staining nuclei, scant cytoplasm
astrocytes
pink central area of debris with surrounding nuclei piling up
pseudopalisading necrosis
tripolar mitosis (mercedes sign)
atypia in highly proliferative glioma
tumor cells surrounding a vessel
secondary structure in high or low grade glioblastomas
gfap expression
glioblastoma
Ki-67 stain
fast growth –> glioblastoma
EGFR amplification
primary glioblastoma/chr10; older people 30-40% of glioblastomas
IDH1/p53
secondary glioblastoma, younger people, progression of milder astrocytomas
1p/19q
better prognosis anaplastic oligodendroglioma –> more responsive to therapy
MGMT promoter methylation
reduced resistance to treatment for malignant gliomas
fried egg appearance + chicken wire capillaries
oligodendroglioma
silver stain + frothy intraalveolar exudate
pneumocystis
india ink
cryptococcus
monocytes
viral, fungal, mycobacterial
reduced csf glucose
bacterial, fungal, mycobacterial, tumor
cysts in brain parenchyma –> cribiform vacuolization
cryptococcus
temporal necrosis
hsv1 encephalitis
opacification of basal meninges
tuberculosis
painful eye movements
optic neuritis
frequency and urge incontinence of bladder
MS UMN bladder dysfunction
temperature related weakness/numbness
Uhthoff’s in MS
electrical/pain sensation on bending neck
Lhermitte’s in MS
FLAIR lesions by ventricles
Dawson’s Fingers in MS
gadolinium MRI lesions
acute
perivascular lymphocytosis
breakdown of BBB
black holes
chronic lesions