Complex carpal dissociation with open, complete, and divergent trapezium, capitate, and hamate dislocation: a case report.
case_report · Level V
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Abstract
We report a patient with a unique complex carpal dissociation involving complete and divergent dislocation of the hamate, capitate, and trapezium with total ligamentous disruption of the distal carpal row and midcarpal joint, associated with a transverse shaft fracture of the fifth metacarpal. The mechanism of injury was a sustained torsional force resulting in a simultaneous distraction and bidirectional dorsopalmar (ulnar)-palmodorsal (radial) crushing force at the carpus.
Medical subject headings
- Carpal Bones
- Carpal Joints
- Joint Dislocations
Anatomy
- wrist
- hand