Bone age radiographs of the left hand and wrist. The patient most closely resembles the Greulich and Pyle male standard for 13 years and 6 months (162 months). The patient’s chronologic age during time of this study was 19 years and 2 months (230 months). Note the multiple growth recovery lines within the distal radial metadiaphysis (yellow arrow). There is relative increased density and mild cupping of the distal ulnar metaphysis (green arrow).