作者数年来曾采用经迷路后入路进行44次手术,确认此入路既能良好的显露小脑桥脑角。又因大部份操作均在硬脑膜外进行,对小脑的牵拉甚微,损伤性小。迷路后方入路的技术病人平卧,头转向对侧,消毒及铺盖手术巾与乳突手术相同。在耳后沟后方1.5厘米处作耳后切口,以便较充分地进入乳突后份及静脉窦硬脑膜角。剥离乳突及邻近枕骨 Over the past few years, the author has adopted 44 procedures after being lost to enter the road to confirm that this approach can not only show the cerebellopontine angle properly. Because most of the operations are carried out in the epidural, cerebellar traction is minimal, less damage. Lost the rear of the road access to the technical patient supine, head turned to the contralateral, disinfection and bedding towel and mastoid surgery the same. Behind the ear groove 1.5 cm behind the ear for incision, in order to more fully into the mastoid and venous sinus dural angle. Peel the mastoid and adjacent occipital bone