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Abstract #2532

Time-efficient Diffusion-weighted Black Blood Imaging Based on iMSDE

Haining Liu 1 , Zechen Zhou 2 , Jinnan Wang 3 , Shuo Chen 2 , Balu Niranjan 4 , and Chun Yuan 2,4

1 Bioengineering Department, University of Washington, Seattle, WA, United States, 2 Bioengineering Department, Tsinghua University, Beijing, China, 3 Philips Research North America, NY, United States, 4 Radiology Department, University of Washington, WA, United States

Lipid core is an important indicator for high-risk atherosclerotic plaque. Diffusion weighted imaging has great potential for lipid core imaging without gadolinium injection. The DIR based diffusion weighted black blood imaging (BB) scheme required long preparation time and thus has low time efficiency. iMSDE is a BB sequence which has advantages in regions with complex and slow flow without long presaturation time. In this study, we investigate the diffusion weighted iMSDE (DiMSDE) scheme by introducing appropriate m1 into the diffusion gradients. Experiments shows this scheme is effective for both diffusion weighted imaging and black blood imaging.

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