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本组男性32耳次,女性22耳次。年龄7～53岁,开放性乳突根治术后引起的耳漏的原因有:外耳道狭窄2耳次;乳突腔,上鼓室、鼓窦,后鼓室的病灶清除不彻底者,分别为28、18、6耳次;面神经嵴高26耳次;异物残留2耳次;外耳道后壁新骨形成、肉芽组织及胆脂瘤合并脑膜1耳次。分别分析讨论如下: 外耳道口狭窄可引起乳突腔引流不畅,视野小,换药时窥视不清乳突腔内病灶,不利于病灶清除。其原因:外耳道皮肤对碘仿纱条过敏,纤维组织增生;外耳道与耳轮脚交界处未缝合,此处肉芽组织生长;皮下组织修剪欠薄,碘仿纱条压迫不紧,疤痕组织增生,疤痕体质的病人。处理方法是:取耳内切口时手术刀要垂直,皮瓣修剪要薄;外耳道与耳轮脚交界处切口,应缝合一针,填塞碘仿纱条时,将
The group of male 32 ears, women 22 times. Aged 7 to 53 years old, open mastoidectomy caused by otorrhea reasons are: external auditory canal stenosis 2 ear; mastoid cavity, upper tympanic cavity, drum sinus, tympanic cavity lesions were not completely removed, were 28,18 , 6 ears; face crest 26 ears high; foreign body residues 2 ears; external auditory canal posterior wall of new bone formation, granulation tissue and cholesteatoma merged 1 time. Analysis and discussion were as follows: external auditory canal stenosis can cause poor mastoid drainage, small field of vision, peelable unclear when the lesions change lesions, is not conducive to the removal of lesions. The reason: the external auditory meatus external auditory meat allergy skin, fibrous tissue hyperplasia; external auditory canal and the ear wheel at the junction of the foot is not sutured, here granulation tissue growth; subcutaneous tissue less thin, iodoform gauze pressure is not tight, scar tissue hyperplasia, scar Physical patient. Treatment is: scleral when the ear to take the vertical cut, flap trim should be thin; external auditory canal ear and ear at the junction of the incision should be stitched a needle, fill the iodoform gauze, will be