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.