Abstract #3023

Optimization of b-value sampling using error propagation methods for intravoxel incoherent motion imaging for various organs

Suguru Yokosawa¹, Hisaaki Ochi¹, and Yoshitaka Bito²

¹Research & Development Group, Hitachi, Ltd., Tokyo, Japan, ²Healthcare Company, Hitachi,Ltd., Chiba, Japan

In this study, we proposed a method for optimizing b-value sampling using error propagation methods for IVIM imaging. We investigated the difference in an optimal set of b-values depending on the organ and the effect of b-value sampling on the precision of IVIM parameters. The results show that the optimal b-values were divided into four b-values and the combination of b-values varied with the organ. The SNR increased 1.2–1.6 times by optimization. We concluded that the optimization of b-value sampling corresponding to an organ can improve the fitting precision of IVIM parameters.

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