Renal T2 mapping is still in its infancy with little consensus on methodology between studies, this leads to a variation in TÂ2 measurements between studies. Here four T2 mapping methods (Spin Echo-Echo Planar Imaging (SE-EPI), Multi-Echo Turbo Spin Echo (ME-TSE), Gradient Spin Echo (GraSE), and Carr-Purcell-Meiboom-Gill T2 preparation (T2 prep)) are compared on both a calibrated phantom and in-vivo kidneys. The GraSE technique was found to produce the most accurate maps relative to the phantom and form the clearest maps of the kidneys in-vivo, showing clear differences between cortical and medullary tissues.
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