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Abstract #0282

Fast Adiabatic Spin-Echo MRSI Sequence for Whole-Brain 5mm-isotropic metabolic imaging

Antoine Klauser1,2, Sebastien Courvoisier1,2, Michel Kocher1,2, and Franc╠žois Lazeyras1,2
1Radiology and Medical Informatics, University of Geneva, Geneva, Switzerland, 2CIBM Center for Biomedical Imaging, Geneva, Switzerland

A fast 1H 3D Adiabatic Spin-Echo (ADISE) MRSI sequence was implemented to measure metabolite distributions over the whole brain with 5mm isotropic resolution. MRSI data were measured on volunteers and compared with FID-MRSI sequence. ADISE-MRSI and FID-MRSI acquisitions were accelerated with compressed-sensing and reconstructed with a Low-Rank TGV-constrained model.

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