BJR -- Gandy et al. 78 (925): 39 Figure 1

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Figure 1. (A) A typical sagittal image slice taken from a patient with rheumatoid arthritis, showing cartilage loss (arrow i), bony erosion (arrow ii) and joint effusion (arrow iii). (B) The resulting three-dimensional (3D) segmentation of the femoral cartilage, showing cartilage loss (arrow iv).