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Abstract #2461

Fast, Artifact-Free T2 Mapping with Fast Spin Echo Using the Extended Phase Graph and Joint Parameter Reconstruction

Christopher L. Lankford1, 2, Mark D. Does1, 2

1Biomedical Engineering, Vanderbilt University, Nashville, TN, United States; 2Vanderbilt University Institute of Imaging Science, Nashville, TN, United States

Fast spin-echo images contain artifacts related to relaxation and imperfect refocusing. These artifacts are explained by well-known signal equations, and the sources of these artifacts can be accounted for if fit as a free parameter during image reconstruction. This abstract demonstrates the potential of this approach for artifact-free T2 mapping in comparison maps derived from Fourier-reconstructed images and voxelwise parameter fits.