Neurology Flashcards
ependymal cells
cover ventricles, produce CSF
Neuropores fail to fuse at 4 weeks gestation
Neural tube defects
Increase alphafetoprotein
Meningocele
Meningomyelocele
anencephaly
tuft of hair or skin
spina bifida occulta
herniation of meningies
meningocele
herniation of meningies and neural tissue
meningomyelocele
polyhydraminos
anencephaly
associated with maternal diabetes type 1
anencephaly
malformation of anterior neural tube
anencephaly
right and left hemisphere fail to separate
holoprosencephaly
mutation in sonic hedge hog
holoprosencephaly
Patau syndrome
holoprosencephaly
Fetal alcohol syndrome
holoprosencephaly
VSD
herniation of cerebellar tonsils and vermis through foramen magnum
Chiari malformation II
agenesis of cerebellar vermis
Dandy-walker
associated with meningiomyelocele
Chiari malformation II
cycstic cavity within spinal cord
syringomyelia
cape like loss of pain and temperature
Syringomyelia
cerebellar tonsilar ectopia
chiarai type I
associated with chiari type I
syringomyelia
GFAP
astrocyte marker
multinucleated giant cells in CNS of HIV pateints
microglia
schwannoma in internal acoustic meatus
acoustic neuroma
Associated with NF2
aoustic neuroma (when BILATERAL)
Fried egg on histology
oligodendrocyte
Oligodendrocyte Injury
multiple sclerosis
progressive multifocal leukoencephalopathy
leukodystrophies
silver staining spherical tau protein aggregates
Pick’s disease
frontotemporal atrophy
Pick’s disease
alpha-synuclein defect
Lewy body dementia
rapidly progressive pneumonia with myoclonus
Creutzfeld-Jakob
ceruloplasmin deficiency
Wilson’s disease
Dementia, urinary incompetence, magnetic gait
Normal pressure hydrocephalus
germinal matrix bleed in infant
intraventricular hemmorhage
scanning speech
Multiple sclerosis
Intention tremor
Multilpe sclerosis
Elderly
Rx for intention tremor
beta blocker
internuclear opthalmoplegia
multiple sclerosis
oligoclonal bands
multiple sclerosis (diagnostic
Ascending muscle weakness/paralysis
Guillain Barre
increase in CSF protein causing papilledema
Guillain Barre
Multifocal periventricular inflammation and demyleination
Acute disseminated encephalomyelitis
defective protein production in the myelin sheeth
Charcot-Marie-Tooth disease
deficiency in galactocerbrosidase
Krabbe disease
Globoid cells
Krabbe disease
arylsulfatase A deficiency
Metachromatic leukodystrophy
JC virus
progressive multifocal leukoencephalopathy
mechanism of PML
demyelination of CNS oligodendrocytes (rapidly progressive and fatal)
Impaired Long chain fatty acid metabolism
adrenoleukodystrophy
Long chain fatty acids build in nerves, adrenals, testes
adrenoleukodystrophy
Seizure: intact consciousness with isolated motor, sensory, autonomic or psychic symptoms
Simple partial