脐尿管瘘少见,易与卵黄管未闭相混淆,通常因为不被人们重视而延误治疗。我院于1984～1990年共收治5例,报告如下。本组5例,均为男性,年龄8～34岁。出生后脐部有尿样液体溢出,3例且有时为脓性分泌物。体检:脐部皮肤色泽正常或红润。4例脐中心有一个0.3×0.3～0.3×0.8cm的红色乳头,1例有一针尖大小孔。1例脐下正中线触及18×3.5cm条状肿物.脐端造影:3例分别有2cm、2.5cm和3 cm未闭合管道。1例未见瘘管,1例正常。膀胱造影:3例未见异常,2例膀胱顶部呈草帽状改变。手术治疗:3例分别切除长2 cm,2.5cm、3 cm长管状物,1例腹膜外见3×10cm管状肿物与膀胱顶部相连,1例脐至膀胱顶部有一条状肿物,膀胱顶部呈半球形,术中一并切除。病理诊断:3例为脐尿管,2例为脐尿管痿膀胱端未闭。讨论脐尿管瘘常见于男性,在胚胎40～50mm时,泌尿生殖窦分为两部分,上方膨大部分演 Urethral fistula is rare, easy to be confused with vitellovenous fistula, usually because people are not taken seriously and delayed treatment. Our hospital in 1984 to 1990 were treated in 5 cases, the report is as follows. The group of 5 patients, both men, aged 8 to 34 years. Umbilical urine samples after birth spilled liquid, 3 cases and sometimes purulent secretions. Physical examination: umbilical skin color normal or rosy. 4 cases of navel center has a 0.3 × 0.3 ~ 0.3 × 0.8cm red nipples, a case of a pinhole size holes. One case underwent an umbilicus midline touching an 18 × 3.5 cm strip.Umbilical endoscopic angiography: 3 cases had 2 cm, 2.5 cm and 3 cm unclosed ducts respectively. 1 case no fistula, 1 case of normal. Bladder angiography: No abnormality in 3 cases and straw hat-like change in 2 cases. Surgical treatment: 3 cases were removed long 2 cm, 2.5cm, 3cm long tube, 1 case of extraperitoneal see 3 × 10cm tubular tumor connected with the top of the bladder, a navel to the top of the bladder has a tumor, the top of the bladder Was hemispherical surgery removed together. Pathological diagnosis: 3 cases of urachus, 2 cases of uvula atrophy bladder end. Discussion of urachus fistula common in men, 40 ~ 50mm in embryos, genitourinary sinus is divided into two parts, the upper part of the expansion of swollen