I had gamma knife radiation in May, 2007. For a 5cm x 3cm Avm in my left frontal lobe & in the basal ganglia. Last June I started to develope multiple symptoms and I have progessively been getting worst ever since. I am now disabled with uncontrollable involuntary muscel movements, dystonia, non-epileptic seizures, and my short term memory will often fail me. I often get severe to migrain headaches. Also, I suffer with vertigo a few times a month that last 2 to 5 days at a time. Bed rest is the only thing that helps me. No meds have been able to help me with my symptoms. I have tried over 14 of them. many of them put me into a gran mal seizure. the only med I have been able to take is dilaudid, for the chronic pain I live with from my condition......Thank You.