Capitate in red, Lunate in green, Scaphoid in blue

Classification Description Notes
Perilunate dislocation Dorsal capitate dislocation with or without associated fracture Transscaphoid perilunate dislocation illustrated here.
Lunate dislocation Volar rotation of the lunate with respect to the carpus Failure of scapholunate, lunocapitate, lunotriquetral joints in sequence



Kaewlai, R., et al. (2008). “Multidetector CT of carpal injuries: anatomy, fractures, and fracture-dislocations.” Radiographics 28(6): 1771-1784.