School ager with right knee pain Pediatric Imaging Musculoskeletal July 24, 2026April 24, 2026 AP radiograph of the knees shows a left-sided osteochondral defect at the articular surface of the lateral aspect of the medial femoral condyle. The diagnosis was osteochondritis dissecans of the left knee. Related Published July 24, 2026April 24, 2026