Objective Surgical access to lesions of petroclival region represents a challenge, both because of the depth of the lesion site and the vicinity of complex neurovascular structures.

• 岩斜坡区病变由于位置深,加上颅底骨质的不规则结构,诸多与生命密切相关的神经血管出入该区域,手术显露极为困难,长期以来一直是对神经外科医生的极大挑战。