在长期诊治绝育术后盆腔痛的实践中，发现结扎术后子宫内膜异位症是引起盆腔疼痛不可忽视的原因之一．本研究对20例患者临床、病理与电镜观察异位病灶的结果进行分析，以探讨本症的发生机理与临床病理特点，报告如下。对象与方法一、对象20例系1988～1994年间因输卵管结扎术后 In the long-term diagnosis and treatment of pelvic pain after sterilization practice, found that endometriosis after ligation is one of the causes of pelvic pain can not be ignored. This study of 20 patients with clinical, pathological and electron microscopy ectopic lesions were analyzed to explore the pathogenesis of this disease and clinicopathological features, the report is as follows. Objects and methods First, the object 20 cases of 1988-1994 due to tubal ligation