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乳突根治术后,术腔继续流脓的最常见原因是乳突尖残留气房骨炎,或术腔乳突尖处凹陷,致使脱屑、细菌感染。作者介绍了去除乳突尖残存气房和消除术腔乳突尖凹陷的手术方法。采用耳后切口,切口下端达乳突尖,以充分暴露乳突尖。作带蒂骨膜辦,尽可能多保留肌肉、脂肪及皮下组织。直视下锐分离乳突尖。充分显露乳突尖下部。削低外耳道后壁,要注意面神经垂直段至茎乳孔处,保留面神经
Mastoid radical mastectomy, the most common cause of the pus to continue the pus is mastoid tip residual gastritis, or depression of the mastoid tip, resulting in scaling, bacterial infection. The authors describe the removal of mastoid tip remnants of the atrium and the surgical approach to eliminate the mastoid depression. With the incision behind the ear, the lower end of the incision reaches the mastoid tip to fully expose the mastoid tip. Perforated periosteum, as much as possible to retain muscle, fat and subcutaneous tissue. Under sharp vision separation mastoid sharp. Fully expose mastoid pointed tip. Lower the posterior wall of the external auditory canal, pay attention to the facial nerve vertical section to the stem milk hole at the facial nerve