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Abstract #3158

A Novel 10-echo GESE multi-parametric sequence based on the EPIK readout for simultaneous quantification of T2 and T2*

Fabian Küppers1, Seong Dae Yun1, and Nadim Jon Shah1,2,3,4
1Institute of Neuroscience and Medicine 4, Forschungszentrum Jülich, Jülich, Germany, 2Department of Neurology, RWTH Aachen, Aachen, Germany, 3Institute of Neuroscience and Medicine 11, Forschungszentrum Jülich, Jülich, Germany, 4JARA - BRAIN - Translational Medicine, Aachen, Germany

MRI sequences with a mixed GE/SE signal have been shown to be suitable for a wide range of applications due to the wide variety of accessible parameters. This work presents in vivo results of a 10-echo GESE sequence based on an EPIK readout to demonstrate the feasibility of whole-brain acquisitions below 5min, including T2 and T2* maps; comparison is made to reference methods. The generated images are artefact free and the T2*-maps correspond with conventional multi-echo GE results. The T2 values are higher than those from conventional SE, but are correctable using a reduced TE and improved fitting.

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