Abstract #3839

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

Rahel Heule^1,2, Zarko Celicanin^1,2, Sebastian Kozerke³, and Oliver Bieri^1,2

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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