颅内动脉瘤是神经外科常见疾病,大宗尸检报告发现率为0.2%～7.9%,年出血率为1%～2.5%。开颅显微夹闭动脉瘤在现阶段仍是最可靠有效的治疗方法。1998年,Perneczky和Fries综合前人“锁孔显微神经外科”这一概念并首次规范手 Intracranial aneurysm is a common disease of neurosurgery, the autopsy report found that the rate was 0.2% ~ 7.9% and the annual bleeding rate was 1% ~ 2.5%. Craniotomy micro-clipping aneurysms is still the most reliable and effective treatment at this stage. In 1998, Perneczky and Fries integrated the concept of “keyhole microneurosurgery” and for the first time regulated