Keywords: Myocardium, Tissue Characterization
T1 and T2 are well-recognized parameters for detecting various cardiomyopathies, and T1ρ is an endogenous contrast for myocardial fibrosis. Multi-parametric cardiac MRI can provide co-registered parameter maps for comprehensive diagnosis and account for the interparameter dependency for more accurate quantification. Therefore, we propose a free-breathing simultaneous T1, T2, and T1ρ mapping technique with single-shot Cartesian acquisition and dictionary matching for parameter quantification. The phantoms results indicated the good accuracy and insensitiveness to heart rates of the proposed technique. Using prospective through-plane and retrospective in-plane motion correction, the proposed method generated similar in vivo mapping quality to breath-hold mapping methods.
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