A frontal radiograph of the right forearm (A) shows an oblique fracture through the mid-shaft of the radius (arrow). Image B confirms the fracture of the radius (arrow) with dislocation of the distal ulna and styloid fracture (arrowhead). Image C is a magnified view of the wrist shown in image B and shows the dislocated distal ulna (arrowhead) with ulna styloid fracture. Image D is a magnified lateral radiograph showing the normal position of the ulna (arrowhead).
Images A, B, and C courtesy of Gregory Waryasz, MD.