Results: The distance between the suprameatal tubercle and the petrous apex,posterior wall of carotid sulcus,medial wall of carotid canal, junction of the arcuate eminence and the petrous ridge was .7±.mm , .7±.8mm, 8.±.9mm and 8. 7±.8mm,respectively.
Results: The distance between the suprameatal tubercle and the petrous apex,posterior wall of carotid sulcus,medial wall of carotid canal, junction of the arcuate eminence and the petrous ridge was .7±.mm , .7±.8mm, 8.±.9mm and 8. 7±.8mm,respectively.
果 内听道上结节与岩尖、颈内动脉沟后壁、颈内动脉管内壁和弓状隆凸与岩嵴交点前缘的距离分别为 .7±.mm、.7±.8mm、8.±.9mm和8. 7±.8mm。