Infant with short stature Pediatric Imaging Musculoskeletal January 21, 2024February 22, 2024 AP radiograph of the hand shows abducted (hitchhiker) thumb, irregular deformity and shortening of the phalanges and metacarpal bones, and bifid second through fourth middle phalanges. The diagnosis was diastrophic dysplasia. Related Published January 21, 2024February 22, 2024