| Summary: | Introduction: The aim is to analyze the functional outcomes of patients of giant cell tumor (GCT) of distal radius treated with ulnar translocation and wrist arthrodesis. Methods: Study included 25 patients of aggressive GCT of distal radius, resected and reconstructed using ulnar translocation and wrist arthrodesis. The ulna-carpal radius fixation was performed with plate and screws. The patients were followed to bony union and minimum follow-up was 1 year. Result: Twenty-two patients were of Campanacci grade 3 and three patients were of Campanacci grade2. The mean follow-up was of 23 months (12–36). All patients had an excellent range of pronation and supination. The mean Musculoskeletal Tumor Society score was 24 (range 22–28). Grip strength of affected hand compared to the contra lateral hand was found good in 17 cases and average in 7 cases. The mean bone union time at ulna to radius junction was at 6.5 (5–8) months and ulna to carpal junction at 4.5 (4–6) months. The complications were surgical site infection (one case), recurrence (one case) and failure of union (one case), and ulna graft fracture with implant failure in (two cases). Conclusion: Reconstruction of distal end of radius using ulnar translocation and wrist arthrodesis provides excellent functional outcomes with preservation of rotational movement of forearm and hand function. Reconstruction of the distal radius by ulnar translocation without complete detachment from surrounding soft tissues functions like vascularized graft without use of microvascular techniques.
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