Methods 120 cases were treated with dif ferent approaches, including tumors in different places, blood vessel lesions, a bscesses, optic nerve injury, granuloma and so on.

• 方法对120例颅内各部位肿瘤、血管性病变、脓肿、视神经损伤、肉芽肿等病变采用不同手术入路切除或夹闭。