Scapholunate advanced collapse (SLAC)

Case contributed by Chris Newman
Diagnosis certain


Chronic wrist pain

Patient Data

Age: 75 years
Gender: Male
  • scapholunate diastasis with widening and proximal migration of the scaphoid
  • rotatory subluxation of the scaphoid
  • advanced secondary osteoarthritis of the radioscaphoid and to a lesser extent the capitolunate articulations with large subchondral geode within the distal radius
  • a true lateral has not been obtained making assessment of any dorsal intercalated segmental instability (DISI) difficult

Case Discussion

Nice example of SLAC wrist with secondary degenerative changes including large distal radius geode. 

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