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Abstract #4078

Application of Integrated Slice-Specific Dynamic Shimming Diffusion Weighted Imaging (DWI) in MRCP

Yiwei Zhang1, Wei Li1, Naishan Qin1, Jianxing Qiu1, and Jing Liu1
1Radiology, Peking University First Hospital, Beijing, China

Synopsis

Keywords: Diffusion Analysis & Visualization, Diffusion Analysis and Visualization

Motivation: Few studies focus on the benifits of iShim-DWI compared with SS-EPI-DWI in upper abdominal organs.

Goal(s): To compare integrated slice-specific dynamic shimming (iShim) diffusion weighted imaging (DWI) and single-shot echo-planar imaging (SS-EPI) DWI in image quality of ERCP.

Approach: Qualitative and quantitative analyses were performed on image quality evaluation of iShim-DWI and SS-EPI-DWI, respectively.

Results: iShim-DWI improves images quality of MRCP compared with SS-EPI-DWI, and therefore providing the extra clinical benefits in presenting the lesions of upper abdominal organs .

Impact: This study is one of the first to report the worth application of iShim-DWI(b=800 s/mm2) in upper abdomen, which could improve the lesion detection, and might be a better choice for ultra-high b value in upper abdomen in future study.

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Keywords