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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