患者李某，40岁。因诊断为节育环异位盆腔于1993年3月入院。患者于15年前产后3个月放节育环，放环后有轻微腹疼，一年后早孕，行人工流产术时宫腔内求探及节育环，也未作其他检查。以后曾两次透视并取环未能取出。宫腔内也未探及节育环。此后末再孕。近两年来，经常感小腹及腰 Patient Lee, 40 years old. Ectopic pregnancy due to diagnosis of pelvic cavity in March 1993 admission. Patients 15 years ago, 3 months postpartum put birth control ring, put the ring after a slight abdominal pain, one year after the first pregnancy, abortion abortion intrauterine exploration and birth control ring, nor for other tests. After two times to see and take the ring failed to remove. Uterine cavity is not explored and birth control ring. After the end of pregnancy. In the past two years, often feel lower abdomen and waist