患儿离某,女,1.5岁.生后即发现下腹部下方突起一红色肿物,并自该肿中物尿淋漓不止,需时常更换尿布,每于哭叫、大便时突出更明显,未经治疗。家族中无畸形者,查体:发育正常,行路呈摇摆状。于耻骨联合部有一约1.5cm×1.5cm的鲜红色肿物,为膀胱尿道粘膜脱出而形成,其中央为一裂孔。即尿道外口,呈喇叭口状,可插入F_(20)金属探子,于膀胱内可深入7cm.拔出探子后,即有尿液流出,未见输 Children from a, female, 1.5 years old .It was found after birth under the abdomen protruding a red tumor, and from the swollen urine more than dripping, need to change diapers, every cry, stool prominent more obvious, not After treatment. No deformity in the family, physical examination: normal development, the road was swinging. In the pubic symphysis there is a bright red tumor about 1.5cm × 1.5cm, the formation of bladder and urethral prolapse, the central hole. That is, the mouth of the urethra, was a bell mouth-shaped, can be inserted F_ (20) metal spy, in the bladder can be deep 7cm. Pull out the probe, that is, urine outflow, no loss