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

目的8双侧颈内动脉-后交通动脉瘤显微手术的经验,其显微手术的方法、方式及手术时机等进行探。

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

目的总结桥小脑角病变828显微手术的经验，并探其致病原因。