Term
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Definition
grade 4 astrocytoma; pseudopalisading tumor cells supratentorial mostly adults [image] |
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Term
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Definition
psammoma supratentorial mostly adults |
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Term
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Definition
if bilateral -> NF2 infratentorial mostly adults |
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Term
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Definition
"fried egg" appearance supratentorial mostly adults [image] |
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Term
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Definition
from Rathke's pouch prolactin-secreting form most common infratentorial mostly adults |
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Term
| pilocytic (low-grade astrocytoma) |
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Definition
rosenthal fibers - eosinophilic corkscrew fibers supratentorial mostly kids [image] |
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Term
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Definition
rosettes or perivascular pseudorosettes; located in the cerebellar vermis (opposite of 4th ventricle?); can cause hydrocephalus PNET infratentorial mostly kids [image][image] |
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Term
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Definition
- characteristic perivascular pseudorosettes & rod-shaped blepharoplasts (basal ciliary bodies) near nucleus
- infratentorial
- mostly kids
[image] |
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Term
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Definition
foamy cells and high vascularity cerebellar; assoc c VHL syndrome; can produce EPO -> 2ndary polycythemia infratentorial mostly kids [image] |
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Term
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Definition
- from remnants of Rathke's pouch; calcification common
- infratentorial
- mostly kids
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