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 > 西医科室 > 五官科 > 耳鼻喉科
Q18.102

先天性耳前瘘管

耳鼻喉科

Common symptoms

涎瘘、耳垂粘连、黏液囊肿

The pathology of disease

先天性耳前瘘管(congenitalpreauricularfistula)是临床常见的先天性外耳畸形,为胚胎时期第一、二腮弓的耳廓原基在发育过程中融合不全或者第一鳃沟封闭不全所致。瘘管开口多位于耳轮脚前,少数可在耳廓之三角窝或耳甲腔部,另一端为盲端,深浅不一,有时呈分枝状。多为单侧,也可双侧发病。管腔壁为复层扁平上皮,具有毛囊、汗腺、皮脂腺等,故平时可有腺体分泌物溢出,合并感染常形成脓肿。无感染者可不需要特殊处理,合并感染需要及时应用抗生素控制感染,形成脓肿者需要切开引流,感染控制后及早手术切除,否则容易反复感染。

常见症状

涎瘘;耳垂粘连;黏液囊肿

发病病因

为胚胎时期第一、二鳃弓的六个结节融合不良,或者第一鳃沟封闭不全形成瘘管,因合并感染腐败可排出具臭味的分泌物。

治疗方式

手术治疗

预防措施

禁忌挤压,出现红肿疼痛及时应用抗生素控制感染。

就诊科室

建议前往耳鼻喉科就诊,就诊前可先通过本平台预约挂号与专家对接。

温馨提示:以上信息仅供健康科普参考,不能替代专业医疗诊断。如有相关症状请及时到正规医院就诊。