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目的探讨乳腺脂肪坏死的全数字化乳腺摄影表现，提高对脂肪坏死的认识。方法回顾性分析35例经手术、病理证实的乳腺脂肪坏死全数字化乳腺摄影表现。结果乳腺脂肪坏死的全数字化乳腺摄影表现主要为：①油脂性囊肿9例。②局部不对称或结构扭曲17例。③结节或肿块7例。④全数字化乳腺摄影表现阴性病例2例。结论乳腺脂肪坏死根据其病因和时期，其影像表现多种多样，油脂囊肿、局部不对称或结构扭曲及肿块是常见的征象，全数字化乳腺摄影检查并紧密结合临床病史及触诊，可提高诊断准确性。“,”Objective To evaluate the ful-fil ed digital mammographic findings of fat necrosis of the breast and to improve the imaging diagnosis of the disease. Methods Radiographic findings in 35 cases with pathological y proved breast fat necrosis were retrospectively . Results The main appearance on ful-field digital mammography include:①lipid-cyst ( n=9) . ② Focal areas of increased density or architectural distortion (n=17).③Mass (n=7).④the negative appearance on ful-field digital mammography ( n=2). Conclusion The imaging manifestations of fat necrosis of the breast vary with its etiology and stage. lipid -cyst、focal areas of increased density or architectural distortion and mass is common findings on ful -field digital mammography. ful -field digital mammography combined with clinical information and palpation can improve the diagnosis accuracy of breast fat necrosis.