Young adult with a thick skull Pediatric Imaging Musculoskeletal January 27, 2022December 9, 2021 Lateral radiograph of the skull shows widening of the diploic space, thinning of the inner and outer tables of the skull, and an overall hair-on-end appearance with sparing of the occipital bone. The diagnosis was thalassemia. Related Published January 27, 2022December 9, 2021