petrous

Objective: : To provide anatomical basis for drilling the posterior wall of the petrous pyramid through trans petrous presigmoid approach.
目的：为经颞骨岩部乙状窦前入路颞骨岩部的磨除提供解剖依据。
The inner ear is a closed system surrounded and protected by the petrous portion of the temporal bone.
内耳是一个受到颞骨坚硬部分包围和保护的封闭系统。
CONCLUSION The imaging data should be routinely observed before the surgery of transnasal endoscopic approach to petrous apex.
结论影像学资料应作为内镜下经鼻入路暴露岩尖手术的术前常规参考；
CT findings include opacification of the ipsilateral mastoid air cells and bony erosion of the petrous apex.
CT表现包括同侧的乳头气房浑浊和岩尖骨质侵蚀。
The radiographic findings of petrous apicitis in the appropriate clinical context are diagnostic.
在具有典型的临床表现时，岩尖炎的放射学改变可以是有诊断意义的。
Objective: To report 24 cases of petroclival tumors resected via the trans petrous combined supra - infratentorial approach.
目的：报道24例岩尖-斜坡肿瘤经岩骨-小脑幕上下联合人路手术切除。
Objective: to report the results of microsurgical treatment for 21 cases of benign tumors at the apical petrous and upper-clival regions.
目的：介绍21例岩骨尖上斜坡区良性肿瘤的显微外科治疗结果，就其手术入路进行讨论。