脂肪肉瘤（Ｌｉｐｏｓａｒｃｏｍａ）是脂肪组织轻度恶性肿瘤。笔者对脂肪肉瘤以及变性时的声像图特征与其病理基础之关系作重点探讨，现汇报如下：１　资料与方法１．１病例资料　１９８９年１０月～１９９９年３月，经手术证实为脂肪肉瘤为１２例，其中男性５例，女性７例，? Liposarcoma is a mild malignancy of adipose tissue. The author of liposarcoma and degeneration of the sonographic features and pathological basis for the relationship between the focus, are reported as follows: 1 Materials and Methods 1.1 Case Information October 1989 to March 1999, was confirmed as liposarcoma 12 cases, including 5 males and 7 females,?