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Abstract #1052

Multi Slice-Group Slice-Accelerated Breast Diffusion MR Imaging on 3T

Sinyeob Ahn 1 , Himanshu Bhat 1 , Dorota Wisner 2 , Kawin Setsompop 3 , Thomas Benner 4 , Stephen Cauley 3 , Borjan Gagoski 5 , Bonnie Joe 2 , Gerhard Laub 1 , and Vibhas Deshpande 1

1 Siemens Healthcare, San Francisco, CA, United States, 2 Radiology and Biomedical Engineering, UCSF, CA, United States, 3 Radiology, MGH, MA, United States, 4 Siemens Healthcare, Erlangen, Germany, 5 Children's Hospital, Boston, MA, United States

Brest diffusion MRI has been typically performed in an axial slice orientation with large FOV which tends to show ghosting artifacts from significant B0 field inhomogeneity. Sagittal slice orientation is limited due to long scan time. In this paper, we propose a multiple slice group slice-accelerated sequence for sagittal bilateral breast diffusion imaging. One slice on each slice group out of two was acquired and compared to the standard technique. The proposed method provided nearly identical image quality with almost half the scan time as compared to the standard bilateral diffusion imaging, suggesting a viable tool for breast lesion characterization within reasonable scan time.

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