Abstract #3633

Towards fast and precise tissue conductivity imaging in brain

Jun Cao^1,2, Iain Ball³, and Caroline Rae^1,2

¹Neuroscience Research Australia, Sydney, Australia, ²School of Medical Sciences, University of New South Wales, Sydney, Australia, ³Philips Australia & New Zealand, Sydney, Australia

Synopsis

Here we tested the boundaries of the speed and precision of phase MREPT in brain using balanced FFE. Baseline maps with conductivity variance of < 5% could be safely accelerated with compressed SENSE 6 without sacrifice of precision, and scans acquired as quickly as 1.89 s. Precision could be further improved by whole head B₁ mapping. MREPT mapping should be conducted task free for best results.

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