Methods : To analyze 42 cases of stereotactic surgery.There were 12 cases with deep brain lesion had pathobiology diagnosis. 30 cases were cystic disease.

• 方法:回顾性分析42例立体定向手术,其中对脑深部病灶活检病理学检查12例,立体定向手术治疗囊性病变30例。