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1Preliminary Remarks

Fracture assessment

These are partial articular injuries involving the ulnar column of the distal radius, so affect both the radiocarpal and distal radioulnar joints. The fixation needs to resist the shearing forces to which the fragment is subjected.

An isolated fracture of the lunate facet of the distal radius results from a direct axial impaction by the carpal lunate.

CT scans are strongly recommended to define this unusual articular injury better.