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Chronic osteochondral lesion of the talus in a 46-year-old woman with chronic ankle pain and no history of trauma. Coronal fat-suppressed proton-density-weighted magnetic resonance image depicts an irregularity of the articular cartilage and subchondral bone plate at the medial talar dome (arrow) with prominent underlying subchondral cyst-like changes. No osteochondral fragment in situ is visualized
