先天性耳前瘘管是第一腮沟遗迹,与遗传有关。一旦感染,切排后局部换药管腔内肉芽组织是个比较棘手的问题。我们采用50％硝酸银烧灼肉芽,经随访观察的87例患者中仅2例复发,现报告如下。 1 临床资料 Congenital ear fistula is the first gill groove relics, and genetic. Once infected, cut the row after the local dressing granulation tissue is a more intractable problems. We used 50% silver nitrate to burn granulation, and only 2 of 87 patients who were followed up were found to have recurrence. The report is as follows. 1 clinical data