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We developed a free-breathing 3D Look-Locker sequence with radial sampling acquisition (3D-Radial LL) to acquire T1 map of the whole upper abdomen. To evaluate the quantitative accuracy, T1 values obtained from 3D-Radial LL and modified Look-Locker inversion recovery (MOLLI) in a phantom and volunteers were compared. The phantom study showed excellent correlation regarding T1 values between on the MOLLI and 3D-Radial LL. In the volunteer study, the difference in T1 values were within 6% for the liver, pancreas, spleen, and paraspinal muscle. The 3D-Radial LL enables accurate measurement of T1 values in the upper abdomen.
Noda et al. (Wed,) studied this question.