ArticleJoint diseases and related surgery2025
Clinical results of knee juxta-articular giant-cell tumors treated with bone cement filling and internal fixation after extensive curettage.
Article in Joint diseases and related surgery, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
objectivesThis study was to evaluate the radiological and clinical outcomes of patients with juxta-articular giant-cell tumors (GCTs) around the knee treated with bone cement filling and internal fixation after extensive curettage. PATIENTS AND
methodsA total of 15 patients (6 males, 9 females; mean age: 35.3±8.4 years; range, 24 to 53 years) with juxta-articular GCTs around the knee were retrospectively reviewed between January 2010 and June 2020. Wound healing, functional status as assessed by the Musculoskeletal Tumor Society (MSTS) scores, local recurrence, metastasis, and complications were evaluated.
resultsThe mean follow-up was 41.3±9.9 (range, 24 to 69) months with an overall survival of 93.3%. The mean distance between tumor and cartilage was 6.29±3.73 mm. Five patients underwent reconstruction with cancellous allografts and the mean distance between tumor and cartilage was 2.20±1.48 mm in these patients. At the final follow-up, three patients had Kellgren-Lawrence Grade 2 tibiofemoral osteoarthritis in the operated knee. Lucent zones around the bone cement with no further progression were found in five patients. One patient experienced recurrence 17 months after surgery and was treated by en-bloc resection and reconstructed with a tumor endoprosthesis. The remaining 14 patients had a mean MSTS score of 26.86±2.11 (range, 23 to 30) at the final follow-up. The mean overall range of motion at the final follow-up was 109.20±14.20° (range, 85 to 130°).
conclusionBone cement filling and internal fixation after extensive curettage is a viable strategy for accessing juxta-articular GCTs around the knee. The choice of local adjuvants, subchondral bone grafting, and the thickness of subchondral bone require more attention to preserve the continuity of articular cartilage.
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