Microanatomical on brainstem ventral region via suboccipital far-lateral transcondylar approach

Objective To investigate the exposed areas in brainstem in brainstem ventral region via the suboccipital far lateral transcondylar approach. Methods Ten (20 sides) adult cadaveric specimens which perfused with colored silicone were studied. Stepwise dissections via the suboccipital far-lateral

枕下远外侧经髁入路至脑干腹侧区的显微解剖

目的对经枕下远外侧经髁人路至脑干腹侧区进行尼微解剖研究。方法成人湿性头颅标本10例（20侧），模拟枕下远外侧经髁入路进行分层解剖，并比较磨除枕骨髁对脑千腹侧区暴露范围的影响。结果采用倒“U”形切口暴露充分，术中寻找枕下三角、寰惟横突、头外侧直肌等解剖标志定化深层结卡勾．、与不磨枕骨髁比较，磨除部分直至全部枕骨髁后水平暴露距离分别增加10．9mm和12．6mm，手术深度分别降低13．5nm和20．5mm。结论经枕下远外侧经髁入路磨除部分枕骨髁能够明黟改善脑下腹侧区的暴露，术L}】应根据病变特征进行适量的枕骨髁磨除。