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

目介绍8例双侧颈内动脉-后交通动脉瘤显微手术经验,对其显微手术方法、方式及手术时机等进行探讨。