Abstract #3999

Optimized B1-robust Outer Volume Suppression for MR Spectroscopy

Martin A Janich¹, Ralph Noeske², Timo Schirmer¹, and Rolf F Schulte¹

¹GE Global Research, Munich, Germany, ²GE Healthcare, Potsdam, Germany

Outer Volume Suppression (OVS) applied to MR spectroscopy improves voxel localization and suppresses undesired signals. Goal of this work was the numerical optimization of a train of broadband SLR pulses for B₁-robustness and T₁ effects and its application to PRESS in the human brain at 3T. The technique improved localization and better suppressed subcutaneous fat at around 1.5ppm in MRS voxels close to the scalp.

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