Recent modern pulse sequences on MRI including a fast spin echo (FSE) technique contribute to improving the quality of diagnostic imaging. The FSE technique is widely used for a majority of routine imaging; however, a scheme for filling echo signals in the k-space varies across MRI systems, and this issue occasionally causes considerable artifacts or leads to complications in the parameter settings. This paper reports the features and efficacies of prime FSE, a novel technique implemented in the 1.5T Echelon and the 1.2T Oasis MRI systems.
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