Brain Tumors (Exam #3) Flashcards
What population are primary brain neoplasms more common in?
Adolescents/young adults
What population are secondary brain neoplasms more common in?
Adults 30+ years
What is the most common BENIGN primary neoplasm?
Meningioma
What is the most common MALIGNANT primary neoplasm?
Glioma
What are the three most common sites from which a secondary brain neoplasm metastasizes from?
- Breast
- Lung
- Melanoma
What two sxs are most often seen with brain tumors? What signs are often seen too?
- HA
- Seizures
Also, focal neuro deficits (weakness, paresthesias, speech, vision)
If there is increased ICP with a brain tumor, what additional characteristics are seen with the HA (3)?
- Nocturnal
- Worse in AM
- Worse with cough/sneeze/Valsalva
What is the dx test of choice for brain tumors?
MRI with contrast of Brain
What two components must be done to classify brain tumors?
- Histology
- Molecular testing
With molecular testing of brain tumors, what two things are evaluated for?
- IDH mutations
- 1p/19q codeletion
What three non-pharm tx are often performed for brain tumors?
- Surgery (awake craniotomy)
- Radiation
- Chemo
What two meds are often considered for tx of brain tumors (think general)?
- Steroids to reduce edema/mass effect
- Meds to prevent seizures
Primary brain neoplasm are often asxs, but if sxs are present, what two are most commonly seen?
- Anosmia
- Visual defects
What is the most common Glioma in adults?
Glioblastoma Multiforme (GBM)
What are the three types of Glioma?
- Astrocytoma
- Oligodendroglioma
- Ependymoma