Fig. 1From: Cartilage calcification of the ankle joint is associated with osteoarthritis in the general populationExamplary samples of the ankle joint showing standardized, 4Ā mm cartilage-bone specimens (cut along the coronal plane) of the distal tibia and talus, as well as the corresponding digital contact radiographs. Calcification was detectable as radiopaque spots in the cartilageās matrixBack to article page