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Abstract #2963

Multi Echo Spiral Imaging : Optimized K-Space Trajectories for T2* Quantification.

Nicolas Pannetier1,2, Mohamed Tachrount1,2, Christoph Segebarth1,2, Emmanuel Louis Barbier1,2, Laurent Lamalle3

1Inserm, U836, Grenoble, France; 2Universit Joseph Fourier, Grenoble Institut des Neurosciences, UMR-S836, Grenoble, France; 3IFR n1, INSERM, Grenoble, France

Effective and theoretical k-space trajectories differ due to eddy currents or gradient hardware imperfections. In this study we propose a fast two steps approach to optimized k-space trajectories in multi-echo spiral imaging. Once optimized, images were acquired on rat brain and T2* map was estimated.