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Wrist with stage 3 scapholunate advanced collapse (SLAC wrist): Osteoarthritis changes are present at the radial styloid (A) and scaphoid fossa (B) of the distal radius. There is a widened interval (C) between the scaphoid and lunate. Scaphoid flexion and lunate extension (dorsal intercalated segmental instability) and an incidental asymptomatic triquetral dorsal avulsion fracture (D) are seen on the lateral view.
