先天性耳前瘘管由胚胎发育异常引起。本文收集了12例患者的家族系谱,均具有以下特点:男女性别患者均可以遗传给后代,后代同胞中男、女均可发病,后代的瘘管显性度大多数超过1/3,大多数单侧或双侧性瘘管患者与后代相同。表明先天性耳前瘘管属常染色体显性遗传。 Congenital ear fistula caused by abnormal embryonic development. This article collected the family pedigree of 12 patients, all of which have the following characteristics: Both men and women can be genetically inherited to offspring, offspring siblings in both men and women, the incidence of fistula most of the offspring more than 1/3, most of the single Patients with lateral or bilateral fistula are the same as their offspring. That congenital anterior fistula is an autosomal dominant.