第一鳃沟瘘管占所有鳃器畸形的1%。我科收治6例第一鳃裂瘘管,分析如下。临床资料本组6例,年龄4～43岁,男4例,女2例;左侧5例,右侧1例。1例伴对侧耳前瘘管并有家族史。病程2～21年不等。l例外瘘口位于下颌角前下舌骨水平,内瘘口位于中耳下鼓室底壁,另外5例外瘘口均位于耳垂后乳突尖前下附近区域,内瘘口2例 The first gill fistula accounted for 1% of all gills deformities. My department received 6 cases of first branchial fistula, analysis is as follows. Clinical data The group of 6 patients, aged 4 to 43 years old, 4 males and 2 females; left in 5 cases, right in 1 case. 1 case with the ear and fistula before the family history. Duration of 2 to 21 years. l Exceptional fistula is located in front of the mandibular angle under the level of hyoid, fistula in the middle ear lower wall of the tympanic cavity, and the other five cases of fistula are located in the vicinity of the anterior and posterior inferior earlobe mastoid, fistula in 2 cases