Teenager with a prominence over the ulna Pediatric Imaging Musculoskeletal February 19, 2023January 18, 2023 AP radiograph of the wrist (left) shows a positive ulnar variance and a V-shaped proximal carpal row while the lateral radiograph (right) shows palmar carpal subluxation. The diagnosis was Madelung deformity. Related Published February 19, 2023January 18, 2023