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作者报告500例慢性化脓性中耳乳突炎(有的且为大胆脂瘤)患者进行保存骨桥重建外耳道手术的个人经验。方法:通过耳内切口,用外耳道顶壁皮肤作成Stack Ⅱ型带蒂皮瓣,暴露骨性外耳道后壁并凿孔。根据病变范围,在明视下将凿孔扩大到以能安全除去胆脂瘤或息肉为止,保留骨桥,并将其前后削低至面神经小窝,还应将骨桥削除至鼓室天盖(附图),以清洁鼓室上隐窝的各部分,
The authors report on 500 patients with chronic suppurative otitis media (in some cases, with a dilated lipoma) who have undergone personal experience in the preservation of external auditory canal surgery for bone bridge reconstruction. Methods: Stack Π-type pedicle flap was made with the external auditory canal skin through the ear incision to expose the posterior wall of bony external auditory canal and perforated. According to the extent of the lesion, under the vision of expanding the hole to be able to safely remove cholesteatoma or polyp so far, to retain the bone bridge, and its before and after the reduction to facial nerve cells, the bone bridge should be removed to the tympanic lid ( Attached), to clean the tympanic recess on the various parts,