1991年以来,作者用γ刀治疗海绵窦脑膜瘤18例,男2例,女16例。年龄39～63岁,平均51岁。肿瘤直径17.7～35.0mm,平均28.3mm,大多在20mm以上。γ刀治疗前曾行开颅术切除肿瘤者14例,手术一次者9例,二次以上者5例,未手术者4例,所有患者均依据临床症状、病程、CT、MRI确诊。临床症状以眼球运动障碍较多,其他有面部感觉迟钝、疼痛、视力下降、 Since 1991, the authors treated 18 patients with cavernous sinus meningioma with gamma knife, 2 males and 16 females. Age 39 to 63 years old, an average of 51 years old. Tumor diameter 17.7 ~ 35.0mm, an average of 28.3mm, mostly in more than 20mm. Before the treatment of gamma knife, 14 patients underwent craniotomy for tumor resection. Among them, 9 were operated once, 5 were more than twice, and 4 were not operated. All patients were diagnosed according to clinical symptoms, disease course, CT and MRI. The clinical symptoms are more eye movement disorders, others have facial dullness, pain, vision loss,