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Chronic Distal Radioulnar Joint Instability
1Department of Orthopedic Surgery, Baylor College of Medicine, 7200 Cambridge, Suite 10A, Houston, TX 77044, USA.
Abstract:
The distal radioulnar joint is inherently unstable, relying primarily on ligaments for stability. Disruption of the joint-stabilizing structures can occur in isolation or concomitantly with osseous trauma. Instability can result from dislocations, fractures, ligament injuries, or malunions. Untreated instability alters wrist and forearm kinematics, leading to pain, weakness, and possibly arthritis. In chronic instability, the native ligaments may not be reparable, necessitating a reconstructive procedure.
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