作者对1991年5月至1995年6月间行γ刀治疗并随访5个月以上的19例恶性颅底肿瘤患者进行分析。19例患者中男10例,女9例。年龄16～85岁,平均54.4岁。肿瘤直径8.4～45.9mm,平均33.5mm。γ刀治疗前曾行肿瘤切除术者17例、分割外照射7例、γ刀治疗1例、化疗4例。治疗时临床症状:颅神经麻痹16例、偏瘫1例、鼻出血2例、鼻塞1例。随访5～40 The authors analyzed γ-knife treatment from May 1991 to June 1995 and followed up for more than 5 months in 19 patients with malignant tumors of the skull base. 19 patients, 10 males and 9 females. Age 16 to 85 years old, average 54.4 years old. Tumor diameter 8.4 ~ 45.9mm, an average of 33.5mm. Gamma knife before treatment of tumor resection in 17 cases, external beam irradiation in 7 cases, γ knife treatment in 1 case, 4 cases of chemotherapy. Clinical symptoms: 16 cases of cranial nerve palsy, 1 case of hemiplegia, 2 cases of nasal hemorrhage and 1 case of nasal obstruction. Follow-up 5 ~ 40