恶性间叶瘤(Malignont mesenchymoma)是一种罕见的软组织肿瘤,起源于中胚叶,含有两种或两种以上无关的恶性成分。任何部位均可发病,而以四肢、躯干、头颈部、腹膜后,纵隔障等部位常见。本院收治一例高龄妇女外阴部巨大恶性间叶瘤,经手术切除、病理检查确诊,现报告如下:刘×,女,74岁,以左侧外阴部肿块进行性生长二年,迅速增大二月之主诉于1980年5月18日入院。患者二年前无意发现左外阴部有一肿块约核桃大,质硬,稍活动,无任何不适感。半年后肿块生长大如拳头,仍无不适。以后生长较慢,故未求医治疗。入院前两月,肿块 Malignon mesenchymoma is a rare soft-tissue tumor that originates from the mesodermal foliage and contains two or more unrelated malignant components. Any part of the disease can occur, but to limbs, trunk, head and neck, retroperitoneal, mediastinal and other parts of the common. The hospital admitted a case of elderly women genital giant malignant mesenchyme, after surgical excision, pathological examination confirmed, are as follows: Liu ×, female, 74 years old, to the left vulvar mass for two years, the rapid increase in two Chief complaint on May 18, 1980 admission. Two years ago, the patient had no intention of finding a lump in the left vulva about large walnut, hard, slightly active, without any discomfort. Six months after the mass growth as fist, still no discomfort. After growing slower, so did not seek medical treatment. Two months before admission, lumps