子宫内膜间质肿瘤大部分发生在宫内,少部分发生在宫外。本文收集日常工作中遇到的2例宫外低级别子宫内膜间质肉瘤,进行组织病理学分析并文献复习。1材料与方法1.1材料例1 53岁。发现腹部肿块2个月。有剖宫产手术史。查体:下腹部扪及肿块,直径20 cm。下腹部切口,屏气时可见组织膨出,直径5 cm。血CA125 37.5 U/ml。妇科检查:子宫后位.大小正常, Most of the endometrial stromal tumors occur in the uterus, a small part of the uterus. This article collects 2 cases of low-grade endometrial stromal sarcoma encountered in daily work, histopathological analysis and literature review. 1 Materials and Methods 1.1 Materials Example 1 53 years old. Abdominal mass found 2 months. Cesarean section has a history of surgery. Physical examination: lower abdomen palpable mass, diameter 20 cm. Under the abdominal incision, can be seen when the breath holding tissue bulge, diameter 5 cm. Blood CA125 37.5 U / ml. Gynecological examination: posterior uterus. Normal size,