Figure 4 | Scientific Reports

Figure 4

From: Knee subchondral bone perfusion and its relationship to marrow fat and trabeculation on multi-parametric MRI and micro-CT in experimental CKD

Figure 4

1H-MRS spectra of subchondral bone marrow in the control and CKD groups. (a) Each spectrum includes a water peak (arrow head) at 4.7 ppm and the lipid peak (arrow) at 1.33 ppm (top row, left). Spectral analysis shows that the lipid peak height increases markedly between 0 and 44 weeks in the control group (top row), but only mildly between 0 and 44 weeks in the CKD group (bottom row). (b) Longitudinal MRS study found that the course of change in femoral and tibial SCBM fat-water content differed between the two groups after week 8. Fat content was increased at week 8 and thereafter significantly decreased in the CKD group, while water content is significantly increased in the CKD group after week 8.

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