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Abstract #3795

Joint reconstruction and estimation for fast and accurate T2* mapping

Seonyeong Shin1, Riwaj Byanju2, Seong Dae Yun1, Stefan Klein2, Dirk H. J. Poot2, and N. Jon Shah1,3,4,5
1Institute of Neuroscience and Medicine 4, INM-4, Forschungszentrum Jülich, Jülich, Germany, 2Department of Radiology and Nuclear Medicine, Erasmus MC, Rotterdam, Netherlands, 3Institute of Neuroscience and Medicine 11, INM-11, JARA, Forschungszentrum Jülich, Jülich, Germany, 4JARA - BRAIN - Translational Medicine, Aachen, Germany, 5Department of Neurology, RWTH Aachen University, Aachen, Germany

Quantification of T2* is relatively time-efficient. However, still the scan times might be too long for the desired resolution. In this work, we demonstrated the ability to accelerate the acquisition by joint reconstruction and parameter estimation for T2* quantification. From retrospectively highly subsampled k-spaces, images and T2* maps were reconstructed directly. It was shown that an acceleration factor of 16 is feasible for T2* mapping.

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