Tumors of Nervous System Flashcards
infratentorial tumors seen in
kids
supratentorial tumors seen in
adults
metz to brain seen with which primary tumors?
breast, lung, colon, kidney, or melanoma
microscopically more differentiated
benign brain tumors
microscopically less differentiated
malignant brain tumors
3 benign brain tumors
meningioma, pituitary adenoma, schwannoma
tumor sxs
focal neuro deficit, seizures, inc ICP (HA, N/V, somnolence/obtundation)
most common primary brain tumor
glioma
glioblastoma multiforme is a
malignant astrocytoma
high grade = ___ prognosis
poor
location of ependymoma in kids
posterior fossa, obstructs 4th ventricle
location of ependymoma in adults
filum terminale of spinal cord
medulloblastoma - population and location
roof of 4th ventricle
kids
oligodendroglioma location and population
frontal lobe in adults
multiple spherical tumors at gray white junction w/ surrounding edema
brain metz
delineate tumor from edema via
IV contrast
tx to dec edema
dexamethasone
meningeal carcinomatosis
cancer cells spread thru CSF
meningeal carcinomatosis sxs
mental status changes, HA, CN palsies, radiculopathies
meningeal carcinomatosis dx
CSF cytology
most common benign brain tumor
meningioma (arrises from arachnoid)
schwannoma/acoustic neuroma on imaging
mass at cerebellopontine angle
CNS tumor affecting spinal cord
meningioma or ependymoma
metz spinal cord compression presentation
acute, rapid preogression
optimal imaging for spinal cord
MRI
tumor that can cause persistent loss of smell
meningioma