脂肪肉瘤在软组织恶性肿瘤中占1—3%,作者叙述在美国文献中诊断一个软组织肿瘤中如果仅仅有少量的脂肪母细胞相似的瘤细胞则可以确定为脂肪肉瘤的诊断,因此美国的脂肪肉瘤的发生率为20%,而德国文献仅占软组织肉瘤的1%。虽然它可 Liposarcomas account for 1-3% of soft tissue malignancies. The authors describe the diagnosis of a soft tissue tumor in the U.S. literature. If there is only a small number of tumor cells with similar fat mother cells, then it can be determined as a diagnosis of liposarcoma. Therefore, liposarcoma in the United States The incidence is 20%, while the German literature only accounts for 1% of soft tissue sarcomas. Although it can be