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Abstract #3534

Comparison and Assessment of IVIM-MRI Methods Using a Capillary Flow Phantom

Moritz Jörg Schneider1,2, Thomas Gaass1,2, Julien Dinkel1,2, Jens Ricke1, and Olaf Dietrich1

1Department of Radiology, LMU University of Munich, Munich, Germany, 2Comprehensive Pneumology Center, German Center for Lung Research, Munich, Germany

In this study different intravoxel incoherent motion (IVIM) MRI methods were assessed and compared using phantom measurement. The phantom was constructed to mimic a capillary bed and allowed for the controlled application of fluid flow at varying rates. Advanced IVIM MRI methods beyond the biexponential pseudo-diffusion model were shown to be capable of accurately characterizing fluid flow inside a capillary network yielding intuitive parameters in a reproducible manner.

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