Ch. 32 CNS Tumors PP Flashcards Preview

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Flashcards in Ch. 32 CNS Tumors PP Deck (17)
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1

CNS tumors include:

brain (80%) and spinal cord

2

where do most mets lesions occur (hemisphere)

cerebral hemisphere

3

what is more common primary or mets to tumor to the brain

mets

4

most CNS tumors occur in where

cerebrum

5

most common classificiation of tumor

gliomas

6

risk factors

occupational and environmental exposures
lifestyle
medical conditions
genetic factors

7

3 most common prognostic indicators

age
performace status
tumor type

8

main prognostic factor

grade

9

which matter holds the nerve cells

gray matter

10

which matter holds the nerve fibers

white matter

11

protects the brain fom potentially toxic compounds

blood brain barrier

12

most common patterns of spread

CSF sedding and local invasion

13

most frequent site of mets via CSF seeding

lumbosacral area

14

most important prognositc factor

histological type

15

what staging sytem is used

no universal staging system

16

what does the AJCCC use to stage CNS tumors

GTM (grade, tumor, mets)

17

when is craniospinal radiation most commonly used

with medulloblastomas