在正常部位不该出现而存在的组织即是异位，而子宫内膜异位是指子宫内膜组织出现在子宫腔被复粘膜以外的部位，子宫内膜异位临床并非少见。但发生在匕椎管硬膜外和右下腹股沟区的子宫内膜异位确属罕见。病例1女性，38岁，腰痛H年加重一月，左下肢麻木无力，月经来潮症状显著伴 In the normal part of the organization should not be present that is ectopic, and endometriosis refers to the endometrial tissue in the uterine cavity is mucosal membrane other than the site, endometriosis clinical is not uncommon. Endometriosis that occurs in the dural canal epidural and right lower groin area is rare. Case 1 Female, 38 years old, low back pain H year increase in January, left lower extremity numbness, menstrual cramps symptoms significantly