Preschooler with a limp Pediatric Imaging Musculoskeletal June 12, 2025March 12, 2025 AP radiograph of the lower extremity shows two dense fine lines in the proximal metaphysis of the femur, and in the proximal and distal metaphyses of the tibia and fibula. The diagnosis was growth arrest lines. Related Published June 12, 2025March 12, 2025