Conclusion: The hiatus of canal for greater petrosal nerve and arcuate eminence are important landmarks to defined internal auditory canal.
结论：岩大神经管裂孔、弓状隆起等颞骨岩部结构是定位内耳道的重要标志。
Pyramidal eminence and chordal eminence should not be lowly abraded in order to avoid damaging the musculus stapedius and chorda tympani nerve when dealing with a facial recess lesion.
术中处理面神经隐窝病变时勿随意磨低锥隆起及鼓索隆起，以免损伤面神经镫骨肌支及鼓索神经。
应用推荐