Figure 1From: Development of bone marrow lesions is associated with adverse effects on knee cartilage while resolution is associated with improvement - a potential target for prevention of knee osteoarthritis: a longitudinal studyMagnetic resonance images. (a) Magnetic resonance image of knee showing no bone marrow lesion (BML) and a grade 2 medial tibial defect at baseline. (b) Magnetic resonance image showing an incident medial tibial BML and a grade 3 medial tibial defect above the BML at follow up.Back to article page