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目的 :探讨慢性中耳炎行乳突根治术后乳突腔内覆盖的上皮组织的病理结构和改变 ,为中耳炎乳突根治术后再手术时处理乳突腔内的上皮组织提供病理学基础资料。方法 :对慢性中耳炎 11例行乳突根治术后的乳突腔内覆盖的上皮组织进行病理学检查 ,并与乳突根治术后再手术的 14例肉芽组织的病理改变进行比较。结果 :慢性中耳炎行乳突根治术后耳漏患者的乳突腔内覆盖上皮组织的改变为非特异性的慢性炎症表现 ,肉芽组织也表现为慢性炎症改变 ,但是部分肉芽组织内有急性炎症表现及腺管结构、胆固醇结晶、巨噬细胞等。结论 :慢性中耳炎行乳突根治术后耳漏患者再手术时应切除乳突腔内覆盖的上皮组织 ,以免手术后慢性炎症残留引起术后耳漏复发
OBJECTIVE: To investigate the pathological structure and changes of epithelial tissue covered by mastoid process in patients with chronic otitis media after radical mastectomy, and to provide pathological basis for the treatment of epithelial tissue in mastoid process after radical mastectomy of otitis media. Methods: Eleven cases of chronic otitis media were examined with pathological examination of epithelium covered in mastoid cavity and pathological changes of 14 cases of granulation tissue after radical mastectomy. Results: The change of epithelial tissue in mastoid cavity of patients with chronic otitis media after radical mastectomy was nonspecific chronic inflammation. Granulation tissue also showed chronic inflammatory changes, but some of the granulation tissue had acute inflammation and gland Tube structure, cholesterol crystals, macrophages and so on. CONCLUSIONS: Patients with otitis media with radical otitis media after radical mastectomy should resect the epithelial tissue covered by the mastoid in order to avoid recurrence of postoperative auricular leakage