Brain cancer Flashcards
what type of imaging is necessary to rule out a brain tumor
cotnrast mri
classic brain tumor headache (^ ICP)
mild onset in morning, slowly dissipating throughout the morning. Recurrent and increasing in frequency. Worsens with head shaking, sneezing, etc
Four grades of astrocytomas
1-pilocytic, 2-diffuse, 3-anaplastic, glioblastoma multiforme
which cells does radiation therapy affect
those that are dividing
tx for GBM
temozolomide, radiation therapy, surgical resection
Bilateral acoustic neuromas: what dz? mutation? Protein?
NF2 on chromosome 22, merlin protein
Cause of bitemporal hemianopsia
Kids: craniopharyngeoma. Adults: Pituitary adenoma
most common type of pituitary adenoma? micro vs macroadenoma?
prolactinoma. Micro is 1cm