Among the various myocardial T1 mapping sequences developed, the radial variants of the MOLLI acquisitions (raMOLLIs) are promising. As raMOLLIs can decrease the acquisition time down to a few heartbeats while keeping good T1 estimation precision due to a large number of images reconstructed along the T1 relaxation recovery curve. The previous raMOLLIs use FLASH readout due to the sensitivity of bSSFP readout to image artifacts. As bSSFP readout has high SNR, a variant of radial MOLLI with bSSFP readout was developed to ensure accurate and precise myocardial T1 mapping by using segmented golden angle radial acquisition.
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