Results Operation and pathology proved patent urachus in 4 patients, urachal cyst in 5, urachal sinus in 1 and urachal carcinoma in 1(one patient left hospital on his own).
结果手术及病理检查证实脐尿管瘘4例，脐尿管囊肿5例，脐尿管窦1例，脐尿管癌1 例，确诊后自动出院1例。
Objective: to probe into the diagnosis and treatment of urachal remnants with heterotopic sinus.
目的：探讨先天性脐尿管未闭异位开口的诊断与治疗方法。
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