Sigmoid notch osteotomy for posttraumatic dorsal dislocation of the distal radioulnar joint: A case report.
case_report · Level V
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- Record sourced from PubMed, PMID 17145379.
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Abstract
Instability of the distal radioulnar joint (DRUJ) is associated most commonly with injury to the soft-tissue restraints of that joint, particularly the triangular fibrocartilage complex. The dorsal rim of the sigmoid notch, however, also plays an important role as a bony restraint to dorsal subluxation. We report a case of posttraumatic dorsal dislocation of the DRUJ associated with a depressed fracture of the dorsal rim of the sigmoid notch. This was treated with soft-tissue release and corrective osteotomy of the dorsal rim of the sigmoid notch to restore DRUJ stability and congruency.
Medical subject headings
- Joint Dislocations
- Osteotomy
- Radius Fractures
- Wrist Joint
Anatomy
- radius
- radius/ulna
- ulna
- wrist