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Effects of MRI dynamic enhancement and diffusion weighted imaging in differential diagnosis of be nign and malignant breast tumors

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Author:
No author available
Journal Title:
China Clinical Practical Medicine
Issue:
1
DOI:
10.3760/cma.j.issn.1673-8799.2017.01.004
Key Word:
乳腺肿瘤;核磁共振成像;动态增强;扩散加权成像;Breast cancer;MRI;dynamic enhancement;DWI

Abstract: Objective To observe the clinical value of dynamic contrast-enhanced MRI and diffu-sion weighted imaging ( DWI ) in differential diagnosis of benign and malignant breast tumors. Methods A total of 46 cases of breast cancer confirmed by postoperative pathological examination were analyzed by dynamic enhanced MRI scanning and MR diffusion weighted imaging, the Shouguang People′s Hospital from January 2015 to January 2016. The diagnosis were statistically analyzed. Results After MRI enhanced scan and DWI image analysis, benign breast lesions shape with clear edge and smooth edge, and malignant lesions is irregular, the edge is not clear, lobulated or edge burr;according to the time sig-nal intensity curve type, benign lesion mainlyⅠtype malignant lesionsⅡ,Ⅲtype;the dynamic enhanced MRI sensitivity, specificity and diagnostic accuracy were 73. 91%, 71. 74% and 76. 09%, the accuracy of DWI scanning, the sensitivity and specificity of diagnosis were 82. 61%, 67. 39% and 78. 26%, the accu-racy of combined diagnosis of the specificity and sensitivity of diagnosis, respectively 91. 30%, 93. 48%, 95. 65%, MRI and DWI combined with dynamic enhanced diagnostic sensitivity, specificity and diagnostic accuracy rate was higher than that of any single test method (P<0. 05). Conclusion The method of dy-namic contrast enhanced DWI and MRI scan has a certain clinical value in differential diagnosis of benign and malignant breast cancer.

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