本文报告27例侵犯颅底内外的良性肿瘤,并按肿瘤在颅底的部位分成颅前窝内侧部,颅前窝外侧部,颅中窝前中部,颅中、后窝和颞下、翼腭窝及蝶鞍、蝶窦、斜坡部五类。讨论了各部位病变的各种手术入路与手术入路选择原则、具体要求和步骤,操作得当可以达到比较彻底切除的要求。 This article reports 27 cases of violations of the skull base inside and outside the benign tumor, and according to the tumor in the skull base site into the anterior cranial fossa medial part of the anterior skull fossa lateral, middle cranial fossa midfinger, cranial fossa, posterior fossa and infratemporal fossa Wo and sella, sphenoid sinus, ramp five. Discussed the various parts of the lesion various surgical approaches and surgical approach selection principles, specific requirements and steps, properly operated to achieve more thorough removal of the request.