Teenager with an “S”-shaped spinal curvature Pediatric Imaging Musculoskeletal January 17, 2022November 22, 2021 AP radiograph of the spine shows a primary curvature of the thoracic spine convex to the right and a compensatory curvature of the lumbar spine convex to the left. The diagnosis was adolescent idiopathic scoliosis. Related Published January 17, 2022November 22, 2021