Benign Brain Tumor?
I need some assistance regarding medical advice given to my friend. We live in Kenya. My friend, mid-30's male, who is overall a healthy person, was recently diagnosed with a benign brain tumor identified through a CT scan. The scan was prompted by symptoms that my friend had for a number of years but more recently became more intensified and frequent: dizzy-spells/blackouts for a few minutes, numbness in the arms, blurred vision, headaches. An initial scan was done in 2006 which showed "something" that the neurologist at that time suggested waiting and re-taking to verify as opposed to it being a flaw in the scan itself. My friend was not aggressive in seeking this out. A few weeks ago, the onset of symptoms caused him to seed medical attention which a repeat scan was done revaling a tumor (not a clot, they said it is definitely a tumor) in the center of the brain, that is "highly benign" and will probably resolve on its own.
So my questions are as follows
1. Can you diagnose a tumor as benign without any biopsy? 2. Is it at all possible for a benign tumor to just go away/dissolve without surgical removal?
I want to know how best to support my friend and if these are the diagnosis/recommendations of a qualified dr or if we need to seek alternative opinions