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Abstract #1605

Readout-Segmented EPI with Simultaneous, Multi-Slice Acceleration for the Rapid Acquisition of High-Resolution, Diffusion-Weighted Images of the Breast

Wei Liu 1 , Himanshu Bhat 2 , Elisabeth Weiland 3 , Dingxin Wang 4 , Thomas Beck 3 , Stephen F. Cauley 5 , and David A. Porter 6

1 Siemens Shenzhen Magnetic Resonance Ltd., Shenzhen, Guangdong, China, 2 Siemens Medical Solutions USA, Inc., Charlestown, MA, United States, 3 MR Application Development, Siemens Healthcare, Erlangen, Germany, 4 Siemens Medical Solutions USA, Inc., Minneapolis, MN, United States, 5 A.A. Martinos Center for Biomedical Imaging, Dept. of Radiology, MGH, Charlestown, MA, United States, 6 Fraunhofer MEVIS, Institute for Medical Image Computing, Bremen, Germany

Clinical studies evaluating breast DWI have shown that rs-EPI provides an improved diagnostic performance compared to ss-EPI. However, one disadvantage of rs-EPI is a longer scan time, which increases with the number of readout segments. In this study, we demonstrate the application of simultaneous multi-slice accelerated rs-EPI using blipped-CAIPIRINHA to DWI of the breast, providing a substantial reduction in scan time or increase in slice coverage or resolution compared to standard rs-EPI, whilst maintaining image quality.

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