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恶性纤维组织细胞瘤（MFH）是一种较少见的软组织肿瘤O本文报告我院1974年至1989年间收治的31例，均经病理证实。兹着重从临床角度分析如下：1资料一般资料：男23例，女8例，男女之比2石：1。年龄15～74岁，中位年龄46岁，40岁以上占64．5％。病程2个月～20年，其中一年内占48?
Malignant fibrous histiocytoma (MFH) is a rare soft tissue tumor. This article reports 31 cases admitted to our hospital from 1974 to 1989, all confirmed by pathology. It focuses on the analysis from the clinical point of view as follows: 1 General data: There are 23 males and 8 females. The ratio between male and female is 2 stones: 1. Age 15-74 years, median age 46 years, 64.5% over 40 years old. Duration of 2 months to 20 years, of which 48 are within one year?