Key result
Inversion-recovery sequences with highly undersampled radial FLASH images and NLINV/CG reconstruction allowed for accurate T1 mapping at high spatial resolution (0.5 mm for single-slice brain).
The proposed inversion-recovery sequence with radial FLASH images and NLINV/CG reconstruction enables fast, robust, and accurate T1 mapping at high spatial resolution for multiple slices.
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May enable high-resolution T1 mapping in research settings; leaves open clinical validation before practice change.
Wang et al. (2015) studied this question. Inversion-recovery FLASH with radial undersampling and iterative reconstruction was evaluated on T1 mapping accuracy and spatial resolution. Inversion-recovery sequences with highly undersampled radial FLASH images and NLINV/CG reconstruction allowed for accurate T1 mapping at high spatial resolution (0.5 mm for single-slice brain).
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