Luanne,
Feel free to call Christine anytime. I will email you our phone number. Here is a link to Gamma Knife "Centers of Excellence" in the midwest.:
http://www.irsa.org/midwst.html
You may also wish to get a second opinion from Dr. Keith Black's grou[ at the Maxine Durnitz Neroulogical Center in Los Angeles. De. Black is perhaps the nation's best neurosurgeons in the US.
Regards
Joe