患者,14岁,学生,住院号286512。因腰酸,下腹部坠胀2天伴尿潴留14小时来院急诊。发病以来无周期性下腹部酸痛等症状。曾先后2次因急性尿潴留经导尿后缓解。月经未来潮。检查:急性痛苦面容,心肺(-),肝脾未扪及,下腹部膨隆,膀胱底平脐,有触痛,无反跳痛,肠鸣音正常。尿道口下方见无孔处女膜膨胀,略紫,突出于小阴唇外,有波动感。肛检阴道内有10×6×6cm囊性块,伸向盆腔。导尿600ml,次日在常规消毒下作处女膜切开术,引流出咖啡色血性液体约500ml。妇科检查:阴道穹窿部增厚,子宫偏小,余无异常发现。术后恢复良好。随访3月,大小便正常,月经规则。讨论处女膜闭锁为女性生殖器发育异常中最 Patient, 14 years old, student, hospital number 286512. Due to backache, lower abdominal bulge 2 days with urinary retention 14 hours to hospital emergency room. Since the onset of symptoms of periodic lower abdominal pain and other symptoms. Has successively 2 times due to acute urinary retention after catheterization ease. Menstruation future tide. Check: acute pain face, heart and lung (-), liver and spleen not palpable, bulging lower abdomen, bladder bottom flat navel, tenderness, no rebound pain, bowel sounds normal. Urethra see non-porous hymen inflated, slightly purple, prominent in the labia minora, a sense of volatility. Anal examination vaginal 10 × 6 × 6cm cystic mass, stretching to the pelvis. Catheterization 600ml, hygienic under the routine disinfection the next day incision, drained of brown blood about 500ml. Gynecological examination: thickening of the vaginal fornix, the uterus is too small, I found no abnormalities. Postoperative recovery is good. Follow-up in March, normal urine, menstrual rules. Discussion Hymen atresia for female genital abnormalities in the most