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Abstract #2999

Can the distribution of low b-value and the NEX influence the pseudodiffusion parameter derived from IVIM in brain?

Yuchuan Hu 1 , LinFeng Yan 1 , Lang Wu 2 , DanDan Zheng 3 , TianYong Xu 3 , Wen Wang 4 , and GuangBin Cui 1

1 Department of Radiology, Tangdu Hospital, Fourth Military Medical University, Xian, Shaanxi, China, 2 Center for Clinical and Translational Science, Mayo Clinic, Minnesota, United States, 3 MR Research China, GE Healthcare China, Beijing, China, 4 Fourth Military Medical University, Shaanxi, China

The method of IVIM imaging uses a biexponential model to extract the perfusion-related information from a diffusion sequence. The low b-values distribution and number of excitation (NEX) might influence the accuracy of pseudodiffusion parameter derived from IVIM in brain.The study has suggested that the low b-value distribution affected the f value derived from IVIM sequence.

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