侧颅底肿瘤毗邻颅神经、大血管和脑组织,手术切除难度较大,术后并发症多见,因此长期以来侧颅底肿瘤的诊断和治疗一直被视为难点[1],随着医学影像学、神经外科和耳鼻咽喉-头颈外科的发展,侧颅底肿瘤在诊断、规范化治疗等方面均取得巨大进展。1侧颅底概念及分区在颅底下面沿眶下 Side of the skull base tumor adjacent to the cranial nerves, blood vessels and brain tissue, surgical resection more difficult and more common postoperative complications, so the diagnosis and treatment of side skull base tumors has long been considered difficult [1], with the medical Imaging, neurosurgery and otolaryngology - the development of head and neck surgery, lateral skull base tumors in the diagnosis and standardization of treatment have made great progress. Side skull base concept and subfractions below the skull base along the infraorbital