MR - Cht 29 - Tumors Flashcards
Tumors in what region present with sx of ICP?
Posterior fossa
What kind of tumors are associated with focal neurological deficits?
Supratentorial
What are the four main types of glial tumors?
Astrocytoma
Oligodendroglioma
Ependymoma
Mixed
From where do meningiomas arise?
Arachnoid
What is the drug used in chemotherapy that causes neurotoxicity?
Methotrexate
What cellular changes does radiation cause?
Apoptosis in tumor cells and in nontumor cells
How many years post radiation can delayed effects be observed?
20 years
What neuro anatomy is particularly vulnerable to the effects of chemotherapy?
White matter
What cognitive deficits are observed most frequently post chemotherapy for breast cancer?
Executive functions and verbal memory
What are sx of intracranial pressure?
Nausea
Vomiting
Diplopia