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Abstract #1870

­­­Fast and flexible 3D-EPI fat navigators for high-resolution brain imaging at 7 Tesla

Pieter F Buur1, Wietske van der Zwaag1, José P Marques2, and Daniel Gallichan3

1Spinoza Centre for Neuroimaging, Amsterdam, Netherlands, 2Donders Institute for Brain, Cognition and Behaviour, Radboud University Nijmegen, Nijmegen, Netherlands, 3Centre d'Imagerie BioMédicale (CIBM), EPFL Lausanne, Lausanne, Switzerland

Motion correction using interleaved fat navigators is a promising approach for high-resolution brain imaging at 7 Tesla. We have implemented a 3D-EPI fat navigator to reduce acquisition time and thereby minimize overhead in sequences with little or no dead time. The efficacy of motion-induced artefact removal using the fat navigators is demonstrated for 0.6 mm isotropic inversion-prepared (MPRAGE) and 0.5 mm isotropic non-prepared 3D TFE (GRE) protocols.

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