A member asked:

What causes brain tumor symptoms? is it the swelling of the brain or the tumor itself?

A doctor has provided 1 answer
Dr. Eric Chevlen answered

Specializes in Internal Medicine - Oncology

Both: Most patients with brain tumors have edema "swelling" around the tumor. Drugs, such as dexamethasone, which reduce the edema reduce the symptoms, but usually do not eliminate symptoms. This is evidence that both the tumor itself and edema contribute to the symptoms of brain tumors.

Answered 7/4/2014

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