Fig. 3From: Pediatric parosteal osteosarcoma of the distal radius causing extensive erosive mass effect of the adjacent ulna: a case reporta-c: 6 months after surgical management. a Active range of motion with full supination of 90 degrees, 80 degrees of pronation, 83 degrees of flexion, and 75 degrees of extension. b Radiographs at six months show intact hardware and full incorporation of the radial allograft and continued incorporation of the ulnar allograft. c Radiographs of the contralateral forearm at the time of the patients 6 month postoperative appointment. These have been provided for reference to the amount of erosion the tumor caused to the left ulnaBack to article page