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Abstract #4951

Exploring dynamic RF shimming for labelling in PCASL at 7T

Christopher Mirfin1, Paul Glover1, and Richard Bowtell1

1Sir Peter Mansfield Imaging Centre, School of Physics & Astronomy, University of Nottingham, Nottingham, United Kingdom

Despite the intrinsic SNR gains at 7T, pseudo-continuous arterial spin labeling (PCASL) is limited by poor $$$|B_1^+|$$$ coverage in the labelling plane and the associated high local SAR of the sequence. In this work we perform simulations to consider the usefulness of dynamic RF shimming using a commercially available head-only RF coil equipped with 8-transmit channels, for labelling in PCASL.

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