Material and Method: The Radionics stereotactic system, Gill-Thoms-Gosma ( GTC ) relocational frames and linear accelerator were used to treat 30 patients with intracranial tumors for more than 200 times.

• 方法:应用美国Radionics公司生产的立体定向系统和重定位头架,在6MeV直线加速器重复治疗30例200余次。