Objective To summarize 828 case reports of the patients with cerebellopontine angle micrurgy and research the causes of their diseases.

摘要目的总结桥小脑角病变828显手的经验，并探讨其病原因。

Objective To introduce experience of ambilateral posterior communicating aneurysms(PcoAA)that treated by micrurgy, and discussed its operating modus and operating juncture.

目的介绍8颈内动脉-后交通动脉瘤显手的经验,对其显手的方法、方式及手时机等进行探讨。