Result: The complication was seen more in children than that in adults.The occurrence rate of cholesteattomaous in pars flaccida was 68.9%.

• 结果:儿童慢性化脓性中耳炎并发症高于成人；松弛部穿孔胆脂瘤发生率为68.；9%25；术前影像学检查胆脂瘤误诊率为15