1·Methods Ear auricle was reconstructed with auto rib cartilage bracket and expanded mastoid region skin.
方法：采用乳突区皮肤扩张，自体肋软骨支架耳廓再造。
2·Acute otitis media episodes after treatment from the onset, starting after 2 weeks or longer, because the mastoid cortex damage, acute mastoiditis clinical manifestations may become apparent.
急性中耳炎发作后未治疗者，从起病开始后2周或更长时间，因乳突皮质受到破坏，急性乳突炎的临床表现可变得明显。
3·This intensive two-day course is designed to highlight the most current techniques and instrumentation in the medical and surgical management of diseases of the mastoid and middle ear.
这个为期两天的密集课程的目的是要突出最新的技术和仪器在乳突和中耳疾病的医疗和手术的管理。
4·Conclusion: Reconstruction of acusticus back wall and hearing after radical mastoidectomy with homograft costal cartilage is effective to prevent mastoid cavity infection and improve hearing.
结论：以同种异体肋软骨对乳突根治术后耳行外耳道后壁及听力重建术，是防止乳突腔感染，提高听力的较理想方法。
5·Style of viburnum is model of occlusion, composed of mastoid cell, parenchyma cells and transmitting tissue.
闭合型花柱由乳突细胞、薄壁细胞和引导组织组成；