苗勒氏混合瘤（Mullenmixedtumor）简称“MMT”。中胚叶混合瘤为一组发生于内膜间质原始多能性细胞，具有高度恶性的罕见肿瘤。我院收治6例，现报道如下。1材料和方法复习我院1973～1993年间女性生殖系统外检材料中6例。标本均经10％福尔马林固定，石蜡包埋切片。采用H．E染色 Mullerian mixed tumor (Mullenmixedtumor) referred to as “MMT”. Mixed mesodermal tumor is a group of primitive mesenchymal cells occurred in the endometrial stromal cells, with a high degree of malignancy of rare tumors. 6 cases admitted to our hospital, are reported below. 1 Materials and Methods Review of our hospital from 1973 to 1993, 6 cases of female reproductive system materials. Specimens were fixed with 10% formalin and embedded in paraffin. Using H. E staining