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《Radiologic Practice》 2007-11
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Correlative Analysis of Mammographic and MRI Findings of Breast Malignant Lesions

YANG Jun-le,NING Wen-de,GUO You-min,et al.Imaging Center of Xi'an Central Hospital,Xi'an 710003,P.R.China  
Objective:To study the correlation of X-ray and MRI features of breast malignant lesions with histopatho-logy.Methods:The X-ray and MRI features of breast malignant lesions in 38 cases were studied retrospectively and correlatively compared to the corresponding findings of histopathological results.Results:There were 21 cases with infiltrating ductal carcinoma,11 cases with ductal carcinoma in situ,3 cases with breast alveolar cancer,2 cases with adenoid cystic carcinoma and 1 case with medullary carcinoma in our collection.The major features of malignant breast lesions revealed abnormal vessels and structural abnormalities.The margins of the lesions were blurred and unclear.On X-ray mammographic images,the lesions showed heterogeneous in density with a considerable quantity of sand-like calcified granules,diffusely distributed or gathered in clusters.The MR signs of breast malignant lesions demonstrated hypo or isointense signal intensity on T1WI images and in most of the cases,mixed signal intensity on T2WI images.On postcontrast scans,the tumors showed remar-kably heterogeneous enhancement.Conclusion:X-ray mammography was the first choice of imaging examination modalities for breast malignant lesions because of its simple procedures and rather high diagnostic accuracy rate;since intricate structural changes of malignant breast lesions could be clearly shown by MRI,the diagnostic accuracy rate was improved.
【Fund】: 西安市科学技术局资助项目(YG200024-023)
【CateGory Index】: R737.9
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