Chronic dislocation of prosthetic ulnar head
Chronic pain, 1 year post op.
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Distal ulnar arthroplasty. Dorsal dislocation at the distal radioulnar joint.
Significant degenerative osteoarthritis at the first carpometacarpal joint, proximal and distal interphalangeal joints.
The patient had an ulnar head arthroplasty 1 year earlier for severe osteoarthritis, and unfortunately had suffered chronic pain ever since the procedure due to chronic dislocation.