Opened Aditus ad Antrum Replacing Obstructed Eustachian Tube 鼓窦口开放替代耳咽管通气功能
Results: The chain of ossicles, facial canal, paries tympanicus, aditus ad antrum, eminentia papillaris, oval window and round window of normal ear were volumetric displayed in multi-angle and multi-plan view with spiral CT. 结果:多角度、多平面立体地显示正常中耳听骨链、面神经管、鼓室壁、鼓窦入口、锥隆起、卵圆窗、圆窗等结构,均表现基本一致。