Abstract #3869

Intravoxel incoherent motion imaging of a small-vessel MRI phantom: Preliminary study.

Hajime Tamura¹, Hideki Ota², Tatsuo Nagasaka³, Ryuichi Mori³, Yuki Ichinoseki³, and Kenichi Funamoto⁴

¹Department of Medical Physics, Tohoku University, Graduate school of medicine, Sendai, Japan, ²Department of Advanced MRI Collaborative Research, Tohoku University, Graduate school of medicine, Sendai, Japan, ³Department of Radiology, Tohoku University hospital, Sendai, Japan, ⁴Institute of Fluid Science, Tohoku University, Sendai, Japan

Synopsis

IVIM signal intensities could be compared with the ‘ground truth’ by use of a micro-vessel phantom in this study. In IVIM imaging, images with b = 0 are often included in the analysis, but this study indicated that images with b = 0 should be excluded. In this study, IVIM analysis showed a tendency to overestimate D* and underestimate f.

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