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Abstract #4066

Correlation of three dimensional mammographic density (Quantra) and breast density acquired using 3D MRI

Jeon-Hor Chen 1,2 , Tsung-Lung Yang 3 , Huei-Lung Liang 3 , Chen-Pin Chou 3 , Jer-Shyung Huang 3 , Yifan Li 1 , Min-Ying Su 1 , and Huay-Ben Pan 3

1 Center for Functional Onco-Imaging, University of California, Irvine, California, United States, 2 Department of Radiology, Eda Hospital and I-Shou University, Kaohsiung, Taiwan, 3 Department of Radiology, Kaohsiung Veterans General Hospital, Kaohsiung, Taiwan

Despite of the development of a new volumetric breast density (Quantra) analysis tool, still it is not known how accurate the acquired density results are. This study aimed to compare the results of density measurement using Quantra and 3D MRI in the same women. 56 women were studied. The MR density analysis was based on a novel semi-automatic method. Overall, moderate correlation (r=0.55 for the right breast and r=0.65 for the left breast) between the two modalities was noted. Huge measurement variations in the two modalities were noted in a few women, unexplained by the breast density or breast morphology.

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