Intercranial tumors Flashcards
Most common brain tumor in Adults
Astrocytoms
How would an Astrocytoma present on an MRI?
Non-enhancing
Which part of the brain is an Astrocytoma typically found?
Cerebrum (cortex of the brain)
Who are Astrocytomas most common in and at what age?
Middle aged men
What is the preferred imaging for AStrocytomas and why?
MRI- can detect low grade tumors better than a CT scan
Treatment option for Astrocytomas?
-Observation,
potentially radiation or chemotherapy
What is the most aggressive brain tumor?
Glioblastomas multiforme
What grade are GBM’s usually ranked?
Grade 4
Who are GBM’s most common in?
What is the age of onset?
Men
Age of onset: 50-70
Clinical presentation of a GBM?
Headache Double vision Vomiting Seizures Speech difficulty
Neovasculation is commonly found in which type of brain tumor and why?
Glioblastoma multiforme
D/t rapid spread and infiltration of other brain tissue
How are GBM’s diagnosed?
MRI + Biopsy
What are treatment options for GBM’s
Surgery- hard due to infiltrating tumor
Radiation + Chemotherapy
Why are GBM’s so difficult to treat?
Rapid growth and spread to other parts the brain
What is the typical prognosis of a GBM?
15 months
