Magnetic resonance (MR) parametric mapping and MR dynamic imaging are both valuable clinical tools. Nevertheless, quantitative imaging and high time resolution usually cannot be achieved simultaneously with conventional dynamic MR imaging methods. Herein, the multiple overlapping-echo detachment imaging (MOLED) method with short echo time (TE), dubbed MOLED-short, is proposed to fetch the dynamic variation of T2 value on in vivo extremities with high temporal resolution (about 110 ms). The robustness of MOLED-short was demonstrated. MOLED-short can capture immediate T2 changes of muscles and may provide new insights into the metabolic responses of musculatures to human activities.
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