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a–d Axial T2-weighted turbo spin echo fat suppressed images. Increase (a at baseline, b after two years) in size of bone marrow edema-like lesions over 2 years at the crista patella (arrow) and at the medial femoral condyle (arrowhead). Decrease (c at baseline, d after two years) in size of bone marrow edema-like lesions over 2 years at the crista and medial part of the patella (open arrowhead)
