Abstract
An unstable distal ulnar stump after Darrach resection, alongside pathology of the radiocarpal joint, is difficult to manage without fusion of at least one joint. Currently, no standard 2-in-1 arthroplasty is available. We report the case of a 72-year-old woman with loosening of the radial stem of a Universal 2 total wrist prosthesis combined with radioulnar impingement after a Darrach procedure. Because of poor radial bone stock, the standard fixation technique of a semi-constrained distal radioulnar joint prosthesis (Aptis) was not possible. We present a technique to fix the semi-constrained distal radioulnar joint prosthesis as well as a total wrist prosthesis by a custom 3-dimensional printed flange prosthesis to the ulnar border of the radius. Three years after surgery, the patient remained pain-free, with 60° flexion, 75° extension, 80° pronation, and 80° supination.
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