School ager with renal failure Pediatric Imaging Musculoskeletal January 2, 2022October 28, 2021 AP radiograph of the knee shows widening of the distal physis of the femur and the proximal physis of the tibia and fibula and frayed metaphyses in the same areas. The diagnosis was secondary hyperparathyroidism. Related Published January 2, 2022October 28, 2021