Navigators Improve Accuracy of Quantitative Sodium MR Imaging Compromised by Head Motion During with Long Acquisition Times

Keywords

accuracy achieve acquisition acquisitions addition aiming allow although applications appreciated assist borders bottom brain cell central clearly collect collected comprised compromised compromises computed concentration containing contrast converted correcting correction coughing cross dataset datasets decrease degree deliberately density derived detecting detection discrete embedded error errors especially evaluate even experienced exploiting extend field fluid fraction fractionated free gradient greatly head healthy human identical improve improved indistinguishable intra investigation local long longer maps meanwhile minutes monitoring motion motions movement movements navigated navigator navigators near noise nominal numerical occur package patient peak percent performance phantom projection projections pronounced quantification quantitative radial radiation random readout reconstructed reduced registration relatively relevant remained repeatedly repetition required resolution respect respectively response reveal rotation rotations section sections selected separate series significantly simulated smallest smoothly sodium space spatial stationary still stimulations strategy strength subject sufficient temporal tissue tomography trajectories translation translations treatment tumors twisted unit valuable varying view visually volunteer woods