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 Shah^1,3,4,5

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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