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Abstract #0373

Quantitative Comparison of B1+ Mapping Methods for 7T Human Imagning

Jason E. Moore1, Marcin Jankiewicz1,2, Huairen Zeng1,2, Adam W. Anderson1,3, Malcolm J. Avison1,3, E Brian Welch1,4, John C. Gore1,3

1Institute of Imaging Science, Vanderbilt University, Nashville, TN, USA; 2Department of Radiology, Vanderbilt University; 3Department of Biomedical Engineering, Vanderbilt University; 4Philips Healthcare, Cleveland, OH, USA

B1+ / flip angle mapping results from double-angle, pulsed steady state, and gradient echo series techniques are compared using a dielectric phantom in a 7T human MR system. Under such conditions, B1+ maps are found to vary significantly (~50%) across protocols.