School ager with hypermobile shoulders Pediatric Imaging Musculoskeletal September 18, 2025May 9, 2025 AP radiograph of the clavicles (above) shows them to be hypoplastic in appearance. AP radiograph of the pelvis (below) shows delayed ossification of the pubic symphysis. The diagnosis was cleidocranial dysostosis. Related Published September 18, 2025May 9, 2025