Journal of magnetic resonance imaging : JMRI
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J Magn Reson Imaging · May 2019
Comparative StudyUltrashort echo time imaging for quantification of hepatic iron overload: Comparison of acquisition and fitting methods via simulations, phantoms, and in vivo data.
Current R2*-MRI techniques for measuring hepatic iron content (HIC) use various acquisition types and fitting models. ⋯ 2 Technical Efficacy: Stage 2 J. Magn. Reson. Imaging 2019;49:1475-1488.
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J Magn Reson Imaging · May 2019
Simultaneous fat-free isotropic 3D anatomical imaging and T2 mapping of knee cartilage with lipid-insensitive binomial off-resonant RF excitation (LIBRE) pulses.
Improved knee cartilage morphological delineation and T2 mapping precision necessitates isotropic 3D high-resolution and efficient fat suppression. ⋯ 2 Technical Efficacy: Stage 1 J. Magn. Reson. Imaging 2019;49:1275-1284.
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J Magn Reson Imaging · May 2019
Rapid and accurate dictionary-based T2 mapping from multi-echo turbo spin echo data at 7 Tesla.
Using lower refocusing flip angles in multi-echo turbo spin echo (ME-TSE) sequences at ultra-high magnetic field leads to non-monoexponential signal decay and overestimation of T2 values due to stimulated and secondary echoes. ⋯ 1 Technical Efficacy: Stage 1 J. Magn. Reson. Imaging 2019;49:1253-1262.