Objective Based on the rationale of "keyhole" minimally invasive neurosurgery, the normal subtemporalapproach was modified to decrease the surgical trauma.
目的以“锁孔”微创的理念，改良常规颞下入路，以减少手术损伤。
2
Conclusion This study provided the safe scope manipulation room and the angle of the transmastoid extralabyrinthine subtemporalapproach and these data can be reference for the surgeon.
结论：本研究提供了经乳颞下迷路外径路面神经减压术所需安全范围、操作空间、角度等，可供手术时参考。
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Objective To study the anatomy of subtemporal keyhole approach, and investigate its value in clinical application.