Assessment of muscle function using hybrid PET/MRI: comparison of ¹⁸F-FDG PET and T2-weighted MRI for quantifying muscle activation in human subjects.

There was a highly significant ( p < 0.01) linear correlation between the two measurements of activation, relΔ T 2 and relGU, when comparing all exercised arm and leg data on the basis of both whole muscle ROIs and mean voxel values (Fig. 5 a, c).

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