患者　女 ,2 3岁。已婚未育。出生后发现肛门闭锁 ,粪便由阴道口排出 ,小便正常。既往有便秘引起腹胀 ,但通便后即恢复正常。近 1个月来出现便秘 ,阴道口有排气 ,时有呕吐胃内容物 ,腹部逐渐膨隆就诊。查体 :呈慢性病容 ,腹胀明显 ,如足月孕妇 ,偏左腹可见肠型 ,偏右腹可扪及巨 Female patient, 23 years old. Married and not educated. Found after anus anal atresia, excrement from the vaginal orifice, urine normal. In the past, constipation caused abdominal distension but returned to normal after constipation. Nearly a month to constipation, vaginal discharge, sometimes vomiting stomach contents, the abdomen gradually bulging treatment. Physical examination: was chronic disease, abdominal distension was obvious, such as full-term pregnant women, partial left abdomen visible intestinal type, partial right palpable palpable giant