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Abstract #1599

Improved IVIM model fitting with non-rigid motion correction

Oscar Gustafsson 1,2 , Mikael Montelius 1 , and Maria Ljungberg 1,2

1 Department of Radiation Physics, University of Gothenburg, Gteborg, Sweden, 2 Department of Medical Physics and Biomedical Engineering, Sahlgrenska University Hospital, Gteborg, Sweden

The number of b-values needed for robust IVIM model fitting, when imaging the liver, can usually not be acquired during a single breath-hold. This introduces the possibility of inter-scan motion, which most likely will degrade the quality of the subsequent IVIM model fit. In this study we show that non-rigid motion correction is essential when image acquisition for IVIM in the liver is split into multiple breath-holds.

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