如果CT显示，乳突和鼓室明显累及，应该进行鼓室成型术。
后鼓室的深浅对该进路的人工耳蜗植入手术的难易程度有重要影响；
1·Objective To improve clinically recognition of the eardrum - mastoid process operation.
目的提高临床对中耳乳突手术的认识。
2·Objective: to observe the sizes of mastoid process and enrich the data of Chinese investigation.
目的：观察乳突大小的性别差异，丰富国人体质调查资料。
3·Results Mastoid process, jugular fossa, and occipital condyle were important signs.
结果乳突、乳孔、颈静脉窝、枕髁都是重要的术中解剖学标志。
4·There was a pair of curved hamuli on both sides of the mouth, while small spines like mastoid process were covered with the shape of the body.
口两侧各有一对钩，虫体布满似乳突状小棘，只有成虫前端和末端两侧可见散在的隆起的椭圆孔状感觉器，虫体末端腹面可见肛孔。
5·Objective to study on the method and results on the rebuild auricle with Medpor on expanded skin flap of the mastoid process area.
目的：探讨采用耳后乳突区皮肤扩张皮瓣用于全耳廓再造术的方法及临床效果。