Ch. 32 CNS Tumors PP Flashcards
CNS tumors include:
brain (80%) and spinal cord
where do most mets lesions occur (hemisphere)
cerebral hemisphere
what is more common primary or mets to tumor to the brain
mets
most CNS tumors occur in where
cerebrum
most common classificiation of tumor
gliomas
risk factors
occupational and environmental exposures
lifestyle
medical conditions
genetic factors
3 most common prognostic indicators
age
performace status
tumor type
main prognostic factor
grade
which matter holds the nerve cells
gray matter
which matter holds the nerve fibers
white matter
protects the brain fom potentially toxic compounds
blood brain barrier
most common patterns of spread
CSF sedding and local invasion
most frequent site of mets via CSF seeding
lumbosacral area
most important prognositc factor
histological type
what staging sytem is used
no universal staging system