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Abstract #3839

Simultaneous multi-slice triple-echo steady-state (SMS-TESS) T1, T2, PD, and B0 mapping in the human brain

Rahel Heule1,2, Zarko Celicanin1,2, Sebastian Kozerke3, and Oliver Bieri1,2

1Division of Radiological Physics, Department of Radiology, University of Basel Hospital, Basel, Switzerland, 2Department of Biomedical Engineering, University of Basel, Basel, Switzerland, 3Institute for Biomedical Engineering, University and ETH Zurich, Zurich, Switzerland

Triple-echo steady-state (TESS) has so far been investigated mainly as a particular robust and intrinsically B1-insensitive method for T2 relaxation time mapping. Here, its potential for fast simultaneous multi-parametric (T1, T2, PD, and B0) mapping of human brain tissues from a single scan is explored. TESS imaging is performed in 2D mode to mitigate motion sensitivity in the brain and accelerated by simultaneous multi-slice (SMS) imaging using CAIPIRINHA to excite two slices simultaneously providing similar SNR in half the acquisition time as compared to sequential single-slice imaging.

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