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Abstract #2785

Preliminary Investigation of the Use of Parallel RF Transmission in MTR Measurement in the Human Cervical Cord

Rebecca Sara Samson1, Matthew Clemence2, Xavier Golay3, Claudia A. M. Wheeler-Kingshott1

1Department of Neuroinflammation, UCL Institute of Neurology, London, England, United Kingdom; 2Philips Clinical Science Group, Philips Healthcare, Guildford, England, United Kingdom; 3UCL Institute of Neurology, United Kingdom

RF B1 transmit field non-uniformity, caused primarily by skin depth and dielectric resonance effects, is a large source of error in quantitative MR measurements made at 3.0T. We investigated the possibility that B1 errors could be reduced using dual transmission by measuring cervical cord MTR and B1 with and without dual transmission.