Neurology 3- Exam 2 Flashcards
How are brain tumors classified?
Location & histologic characteristics
What are the types of PRIMARY brain tumors?
-Gliomas
-Meningiomas
-Acoustic neuromas
-Pituitary adenomas
What other types of brain tumors are there?
Angiomas
Metastatic tumors
What is a glioma?
tumor of brain or spine (intracerebral)
What is a meningioma?
encapsulated tumor- usually benign
What is an acoustic neuroma?
tumor affecting CN VIII- affects hearing & balance
What is a pituitary adenoma?
tumor common in women of childbearing age, rarely malignant
What are angiomas?
masses of abnormal blood vessels
What are some sx of ^ ICP?
-HA
-vomiting
-visual disturbances
-seizures
What kind of effects would a pituitary adenoma have?
Hormonal (prolactin, GH, ACTH- cushings)
What is a common type of brain tumor of the brainstem?
Astrocytoma
What is a common type of brain tumor of the acoustic nerve?
Neuroma
What are common brain tumors of the pineal area? (2)
Pineocytoma
Pineoblastoma
What is the most helpful diagnostic evaluation of brain tumors?
MRI
What are examples of diagnostic evaluations of brain tumors?
-Neurologic examination
-CT scan
-MRI
-PET scan
-EEG
-Cytologic study of CSF
-Biopsy
What are the 2 different goals of sx for brain tumors?
- removal w/ out ^ neurologic symptoms
- relieve symptoms by decompression
What is the cornerstone tx for many brain tumors?
Radiation therapy
What does chemotherapy do for brain tumors?
^ survival time
Why is pharmacologic therapy used for some brain tumors?
Secreting tumors- meds that suppress hormones