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Abstract #0109

Rapid and Accurate pTX B1 Mapping using 3DREAM with Dual Interferometry

Daniel Brenner 1 , Desmond H. Y. Tse 2,3 , Patrick J. Ledden 4 , Claudine Neumann 1 , and Tony Stcker 1,5

1 German Center for Neurodegenerative Diseases (DZNE), Bonn, Germany, 2 Faculty of Psychology, Maastricht University, Maastricht, Netherlands, 3 Department of Radiology, Maastricht University Medical Centre, Maastricht, Netherlands, 4 Nova Medical, Inc., Wilmington, MA, United States, 5 Department of Physics and Astronomy, University of Bonn, Bonn, Germany

Fast transmit array mapping requires interferometric measurements for good conditioning of the B1 mapping problem. This work demonstrates the application of two distinct interferometry encoding schemes to the acquisition and preparation block of a 3D DREAM sequence, respectively. This allows efficient and precise generation of single channel coil maps as confirmed by simulations and retains the relative transmit phase.

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