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Trans-scaphoid Perilunate Dislocation



- Discussion:
    - often more stable than pure perilunate dislocation if waist frx is transverse and the scapholunate ligament has remained intact;
    - it is usually more unstable than an isolated scaphoid frx because of ligament damage;
    - consider internal fixation for the scaphoid frx and a capsular repair to minimize instability;

- Radiographs:



Trans-scaphoid perilunate fracture-dislocation: Result of open reduction and pin fixation.