En Bloc resection and scheker prosthesis reconstruction for a giant cell tumor of the distal ulna: A case report
DOI:
https://doi.org/10.58814/01208845.580Keywords:
Giant Cell Tumor of Bone, Wrist, Prostheses and Implants, Margins of Excision, Case ReportsAbstract
Introduction: Giant cell tumor (GCT) is a histologically benign tumor with locally aggressive behavior. Its occurrence in the distal ulna is extremely uncommon. Treatment depends on its classification; however, radical resection of the distal ulna presents biomechanical challenges involving the distal radio-ulnar joint (DRUJ). The Scheker DRUJ prosthesis offers a solution to address these biomechanical challenges.
Case presentation: It is presented the case of an 18-years-old patient with a progressively enlarging painful solid mass in the right wrist, with a six-month history of symptoms. The GCT diagnosis was confirmed by percutaneous biopsy. Computed tomography of the thorax ruled out pulmonary metastasis. The patient was treated with neoadjuvant chemotherapy (denosumab), followed by en bloc resection of the distal ulna and DRUJ reconstruction using a customized Scheker prosthesis. At one-year follow-up, the patient demonstrated adequate joint stability, function preservation, and resolution of ulnar neuropraxia.
Conclusion: This case demonstrates favorable functional outcomes following DRUJ reconstruction with a Scheker prosthesis after radical resection of giant cell tumor of the distal ulna in the youngest patient reported in the literature. Further studies with long-term follow-up are needed to evaluate the survivorship of these implants in young patients with high functional demands.
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