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Abstract #0307

Multi-Slice Free Breathing Liver Imaging Using a 2D CAIPIRINHA Navigator

Daniel Giese1, Martin Buehrer2, Constantin von Deuster1, 2, Tobias Schaeffter1, Sebastian Kozerke, 12

1Division of Imaging Sciences and Biomedical Engineering, King's College London, London, United Kingdom; 2Institute for Biomedical Engineering, University and ETH Zurich, Zurich, Switzerland

A spatially invariant 2D navigator acquired simultaneously using multi-band excitation pulses is proposed and demonstrated for multi-slice free-breathing liver imaging. Using the 2D navigator 3D reconstructions of the liver at different respiratory positions are possible hence allowing assessment of respiratory-induced tissue deformations to aid for instance radio-therapy planning.