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Fig. 7 | European Radiology Experimental

Fig. 7

From: Musculoskeletal MRI at 7 T: do we need more or is it more than enough?

Fig. 7

Three-dimensional in vivo31P–{1H} echo planar spectroscopic imaging dataset from the human calf muscle. The shown 31P–{1H} spectrum was localised in a voxel inside the medial gastrocnemius muscle (indicated by bold red line; effective size 4.05 mL). Transversal and coronal metabolic maps superimposed on 1H images of Phosphocreatine (PCr), α- and γ-adenosine triphosphate (ATP), inorganic phosphate (Pi), and pH are displayed. The position of transversal and coronal slices is indicated by the thin red and blue lines, respectively. Absolute intensity scales of α- and γ-ATP, Pi are cropped for better visualisation. The PCr maps were used to create a mask for the corresponding pH maps. Regions for evaluation of signal-to-noise and metabolite ratios are illustrated by the black dashed lines. For the measurement parameters and the acquisition strategy see the reference article’s text.

Reprinted with permission from: Korzowski et al., Magn Reson Med 2018 (reference [74])

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