“两性母细胞瘤”(Gynandroblastoma)是一向男性及女性双向分化、既含有颗粒—卵泡膜瘤成分又含有支持一间质细胞瘤成分的卵巢肿瘤,极罕见,迄今文献上仅有50多例报告。其中符合严格诊断标准并为其他著者公认的更少。现报告一例如下: 患者女性,25岁,未婚。1980年7月19日入院。患者两年前无意中扪及下腹包块,约拳头大。近一年 Gynandroblastoma, a bifurcated male and female with both granulo-cumulus and ovarian tumors that support a component of a stromal cell tumor, is extremely rare, with only 50 reports to date . Which meet the strict diagnostic criteria and less recognized by other authors. One report is as follows: Female patient, 25 years old, unmarried. July 19, 1980 admitted to hospital. Two years ago, the patient inadvertently palpable abdominal mass, about big fist. Nearly a year