chapter 28- CNS Flashcards
is pilocytic astrocytoma benign or malignant
benign
how does craniopharyngioma usually present
supratentiral mass in kid or young adult with bitemporal hemiangiopsia
where does pilocytic astrocytoma typically occur
cerebellum
Describe the CSF with multiple sclerosis
Elevated protein, 1/3 pleocyotsis, increased IgG
What are 80% of adult primary brain tumors
Infiltrating astrocytomas
What is elevated in the serum of adrenoleukosystrophy
VLCFAs
how does cerebral aqueduct stenosis present
enlarging head circumference
Where do choroid plexus papilloma typically occur in kids vs adults
Kids in lateral ventricles; adults in 4th ventricle
what is the term for cystic degeneration of spinal cord
syringomyelia
what should you think of if a tumor is resenthol fiber positive and eosinophilic with GFAP positive
pilocytic astrocytoma
Where are infiltrating astrocytomas usually found
Cerebellum
what is the term for absence of skull and brain that has a frog-like appearance of the fetus
anencephaly
How does freidreich ataxia general begin
1st decade of life with gait ataxia, followed by hand clumsiness and dysarthria
What grade is a diffuse astrocytoma
2
what type of people are more likely to get CJD
those getting human growth hormone or that have received a corneal transplant
what is vascular dementia due to
HTN, atherosclerosis, or vasculitis
Where is brain lesion associated with toxoplasmosis most often found
Cerebral cortex and deep gray nuclei
what artery is often ruptured with epidural hematoma
middle meningeal artery
what is deficient in metachromatic leukodystrophy
aryl sulfatases
what is the disease defined as degeneration of GABAergic neurons in caudate nucleus of basal ganglia
huntington disease
what is the term for slow, involuntary snack like movements of fingers
athetosis
What type of astrocytoma is defined as poorly defined, gray, infiltrative tumors that expand and distort the invaded brain; GFAP positive
Diffuse astrocytoma
what is the term for inherited mutations in enzymes necessary for production or maintenance of myelin
leukodystrophies
what is the presentation of Werdnig-Hoffman disease
floppy baby