Abstract #1893

SPINS excitation versus DSC dynamic RF shimming for homogenising high field strength TSE imaging

Ronald Mooiweer¹, Shaihan J Malik², Joseph V Hajnal², Nico van den Berg¹, Peter R Luijten¹, and Hans Hoogduin¹

¹UMC Utrecht, Utrecht, Netherlands, ²Division of Imaging Sciences and Biomedical Engineering, King’s College London, London, United Kingdom

In this work the design of SPINS excitation pulses has been expanded for use in TSE sequences and was compared to dynamic RF shimming using DSC in a standard T2w TSE sequence. We have demonstrated homogeneous 90 degree excitation, but in itself this was not sufficient to make TSE images uniform. Manipulating the refocusing pulses (using DSC) remains a necessity.

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