后鼓室切开术中应注意的问题空军兰州医院耳鼻咽喉科雷汉飞，姜明显，文国远，代从哲，张辉由于耳显微外科技不的进展及手术进路的改进，医源性面瘫已日趋下降。后鼓室切开术（前后联合进路或闭式手术）乃保留骨性耳道后壁，经乳突切开，在面神经乳突段与鼓索神经之间进入... Rear tympanotomy should pay attention to problems Air Force Lanzhou Hospital Department of Otorhinolaryngology Leihan Fei, Jiang Ming was, Wen Guoyuan, Dai Congzhe, Zhang Hui due to ear microsurgery technology progress and surgical approach to improvement, the doctor The source facial paralysis has been declining. Posterior tympanotomy (before and after the joint approach or closed surgery) is to retain the bony posterior wall of the ear canal, the mastoid incision, between the facial nerve segment and the tympanic nerve into ...