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Abstract #4067

Quantitative Assessment of Quadrant Breast Density Using 3D MRI

Jeon-Hor Chen 1,2 , Jia Shen Hong 3 , Po-Chuan Tseng 1 , Peter T. Fwu 1 , Celine M Vachon 4 , and Min-Ying Su 1

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 Medical Imaging, China Medical University, Taichung, Taiwan, 4 Department of Health Sciences Research, Mayo Clinic, Rochester, Minnesota, United States

In this study we investigated the density distribution in the four quadrants of the breast and compare between a Western and an Asian cohort. Breast MRI from 250 Western women and 156 Asian women was semi-automatically segmented for the quantification of quadrant breast density. In total 91 right breasts and 65 left breasts from Asian cohort, and 144 right breasts and 106 left breasts from Western cohort were analyzed. Our study noted that Asian women have the most common highest density in the inner upper quadrant and Western women have the most common highest density in the outer lower quadrant.

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