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回顾性分析１９９２～１９９７年间我院诊治的３５例双侧输卵管结扎术后异位妊娠的临床资料，探讨其发病原因，误诊情况与ＭＲＩ在诊断中的作用，及新的治疗方法。提出排卵期结扎、单纯结扎、输卵管远段部位结扎等为结扎术后异位妊娠的医源性因素；ＭＲＩ能够区分不同时期的血液成份，能很好地显示异位妊娠的形态学特点；非异位妊娠侧输卵管应同时结扎加固或切除，以防止再次异位妊娠发生；米非司酮治疗异位妊娠用药剂量大，要在严密监测下进行
The clinical data of 35 patients with bilateral ectopic pregnancy after bilateral tubal ligation in our hospital from 1992 to 1997 were analyzed retrospectively to investigate the etiology, misdiagnosis, the role of MRI in the diagnosis and the new treatment methods. Ovulation ligation, simple ligation, distal tubal ligation and other ligation of postoperative ectopic pregnancy iatrogenic factors; MRI can distinguish blood components at different stages, can well display the morphological characteristics of ectopic pregnancy; Ectopic pregnancy tubal ligation and reinforcement should be ligation or resection, in order to prevent the recurrence of ectopic pregnancy; mifepristone treatment of ectopic pregnancy with a large dose, to be carried out under close monitoring