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目的：研究分析不同病理类型乳腺分叶状肿瘤的X线片、MRI影像学特征。方法回顾性分析2012年3月至2014年9月期间，经大同煤矿集团有限责任公司总医院确诊的54例乳腺分叶状肿瘤的女性患者，回顾其临床表现，分析其各病理类型的影像学表现。并对良性、交界性及恶性肿瘤进行比较。结果肿瘤形态、位置、大小无明显差异。X线片检查显现肿块多为密度增高，良性和交界性多为类圆形，恶性多为分叶状形态；MRI检查，T2WI显示肿瘤为高信号。交界性和恶性分叶状肿瘤在T2WI上易显示低信号分隔。结论分叶状肿瘤的X线片及MRI表现有一定特征，MRI对分叶状肿瘤的病理亚型诊断具有一定价值。“,”Objective To study and analyze the features of X-ray,MRI of different pathological types of breast phyllodes tumor imaging.Method From March 2012 to September 2014,retrospectively analyzed the breast the imaging of 54 cases of phyllodes tumor patients in Datong Coal Group Co General Hospital,reviewed their clinical presentation.Analyzed the pathological pressure type.Compared the benign,borderline and malignant tumor.Results There were no obvious differences in morphology,location and size of tumor.X-ray examination revealed masses as the density increased,the benign and borderline for round of malignant lobular morphology;magnetic resonance imaging (MRI),T2WI showed the tumor was high signal.Borderline and malignant phyllodes tumor on T2WI easily showed low signal separation.Conclusion There are certain characteristics of X-ray and MRI features of phyllodes tumor;MRI of phyllodes tumor pathological subtype diagnosis has a certain value.