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目的：探讨恶性纤维组织细胞瘤螺旋CT表现和诊断价值。方法对经病理证实的16例恶性纤维组织细胞瘤影像学特征进行分析，包括病变部位、形态、大小、密度、边缘及相邻组织结构，与对照组脂肪肉瘤、纤维肉瘤各16例相应C T征像进行统计学分析对比，方法采用χ2检验.结果恶性纤维组织细胞瘤与脂肪肉瘤两者影像学特征存在统计学差异( P0.05)。结论肿瘤边缘、密度、囊变、坏死等征象具有一定的鉴别诊断意义，结合临床、实验室检查等，有助于提高本病诊断准确性。“,”objective to explore the malignant fibrous histiocytoma (MFH) spiral CT manifestations and diagnostic value. Method is confirmed by pathology of 16 cases of malignant fibrous histiocytoma imaging characteristics is analyzed, including the lesion area, shape, size, density, edge and adjacent structures, and the control group liposarcoma, fibrosarcoma with controls al the 16 cases of CT sign like statistical analysis comparison, corresponding methods using chi-square test, methods using chi-square test. Results Malignant fibrous histiocytoma and liposarcoma imaging feature statistical differences (P 0.05). Conclusion tumor edge, density, capsule, necrosis, and other signs of the differential diagnosis of a certain significance, combined with clinical, laboratory examination, etc., help to improve the diagnostic accuracy of the disease.