患儿女,10岁,于五个月前,因负重30市斤,长途行路后,在第二天发现尿道口突出一指肚大小肿物,色红,无疼痛,亦不影响排尿。约10天后,始因肿物常受衣裤磨擦,发生红肿而感疼痛,有少量出血,排尿时感尿道口亦有灼痛。入院时检查于尿道口可见一环形肿物突出,约花生米大小,柔软,色红,触之有轻度痛感,不易出血。肿物的中央可见一不规则孔道,能顺利通过导尿管,引出尿液。将肿物上推后,可见阴道,处女膜完整。诊断为尿道粘膜脱垂合并局部感染。入院后口服磺胺数日,并每日用1‰高锰酸钾液洗涤会阴。炎症消退后,于基础麻醉加局部浸润麻醉下,行尿道口脱 Children aged 10 years old, five months ago, due to weight-bearing 30 jin, long-distance road, found the next day urethra prominent one finger belly mass, color red, no pain, does not affect urination. About 10 days later, due to the mass often by the underwear friction, swelling and pain, a small amount of bleeding, urination, urethra also have burning sensation. Admission examination at the urethra can be seen a prominent ring tumor, about the size of peanuts, soft, red, touching a mild pain, less bleeding. The tumor can be seen in the center of an irregular hole, can successfully pass the catheter, leads to urine. The tumor pushed up, visible vagina, hymen intact. Diagnosis of urethral prolapse combined with local infection. After oral administration of sulfamethoxazole for several days, and daily use of 1 ‰ permanganate solution to wash the perineum. Inflammation subsided, in the basic anesthesia plus local infiltration anesthesia, urethral orifice