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目的：为了了解岩尖气房的发病率及其临床意义。材料与方法：在日常工作中将听眶线上2cm高度平面图象中能清楚见到岩尖部与斜坡的头部CT轴位扫描2596例，不包括岩尖显示不好的病例，选择其中有岩尖气房的图象200例。调节适宜的窗口技术，观察岩尖气房的图象。结果：根据本文资料，岩尖气房的发生率约为13％，低于文献资料的发生率。近半数病例为单侧岩尖气房。在岩尖气房图象中约13％是大的单气房。讨论：CT是观察岩尖气房发育的简单而可靠的方法。我们建议岩尖综合征患者的检查中用CT扫描取代岩骨X线摄片。
Objective: In order to understand the incidence of rock apex and its clinical significance. Materials and Methods: 2596 cases of head CT scan of petrous apex and incline were clearly seen in 2 cm height plane image of auditory orbital in daily operation, excluding cases of poorly displayed petrous apex, Rocky aura of the image of 200 cases. Adjust the appropriate window technology, observe the rock aura room image. Results: According to the data in this article, the incidence of petrous aura was about 13%, lower than the incidence of literature. Nearly half of the cases were unilateral rock tip aura. About 13% of the rock apex image is a large single-chamber. Discussion: CT is a simple and reliable method of observing the development of the petrous apex. We suggest that CT scanning be used to replace the radiographic examination of patients with rock tip syndrome.