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Abstract #1116

Positive visualization of interventional devices with susceptibility mapping using the  Turbo Spin Echo Sequence

caiyun shi1, guoxi xie1,2, xiaoyong zhang1,3, min chen1, shi su1, hairong zheng1, ying dong4, jim Ji4, and xin liu1

1Shenzhen Institutes of Advanced Technology, shenzhen, China, People's Republic of, 2Beijing Center for Mathematics and Information Interdisciplinary Sciences, beijing, China, People's Republic of, 3Centers for Biomedical Engineering, College of Information Science and Technology, University of Science and Technology of China, hefei, China, People's Republic of, 4Department of Electrical and Computer Engineering, Texas A&M University, Texas, TX, United States

Susceptibility-based positive contrast MR imaging exhibits excellent efficacy for visualizing the MR compatible metallic devices, by taking advantage of their high magnetic susceptibility. In this work, a novel method is developed to accelerate the susceptibility-based positive contrast MR imaging. The method is based on a modified turbo spin echo (TSE) sequence and a kernel deconvolution algorithm with a regularized ℓ1 minimization to achieve positive contrast imaging.

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