Hit by metal at work. On examination: tenderness, swelling, and abrasion left wrist and hand.
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- loss of Gilula arcs
- proximal migration of capitate
- capitate not sitting within the distal articular 'cup' of the lunate
- a line drawn through radius and lunate fails to intersect capitate
- lunate is seen displaced and angulated volar
- soft tissue swelling.
There is volar dislocation of the lunate relative to the radius, with 90-degrees palmar rotation.