ArticleJournal of orthopaedics and traumatology : official journal of the Italian Society of Orthopaedics and Traumatology2025
Surgical and radiological outcomes of giant cell tumor of the bone: prognostic value of Campanacci grading and selective use of denosumab.
Article in Journal of orthopaedics and traumatology : official journal of the Italian Society of Orthopaedics and Traumatology, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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Who cites it
3 citing papers in PubMed.
- Recurrence of Giant Cell Tumor of Bone and Related Risk Factors: A Retrospective Analysis of 340 Cases From a Single Center.Journal of surgical oncology · 2026Article
- Campanacci stage and cortical destruction predict functional outcomes in giant cell tumor of bone.Irish journal of medical science · 2026Article
- Giant Cell Tumor of the Sacrum: A Narrative Review of Management Challenges and Modalities.Healthcare (Basel, Switzerland) · 2026Review
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Abstract
backgroundAdvancements in diagnostic and therapeutic modalities for giant cell tumors of bone (GCTB) have introduced molecular and radiological tools that refine clinical decision-making. H3.3 G34W immunohistochemical staining has become a routine diagnostic marker, while H3F3A mutational analysis enhances prognostic insights. Treatment primarily involves surgical methods such as curettage or en bloc resection, with denosumab serving as an adjunct in high-risk or inoperable cases.
methodsWe retrospectively analyzed 55 patients with GCTB, focusing on clinicopathologic and radiological findings. Tumors were evaluated using the Campanacci grading system. Immunohistochemical analysis with H3.3 G34W antibody and next-generation sequencing (NGS) were performed to detect H3F3A mutations. A subgroup of nine patients treated with denosumab was further analyzed for clinical outcomes and histological changes.
resultsThe cohort had a mean age of 37.7 years, with tumors most commonly affecting the knee joint (55%). All tested tumors demonstrated positive H3.3 G34W staining, with eight exhibiting H3F3A G34W mutations. Recurrence rates were 32% following curettage and 18% after en bloc resection. Denosumab treatment, administered for an average of 14.6 months, facilitated tumor downsizing and new bone formation without major side effects. Histologically, treated tumors showed a depletion of giant cells and increased bone matrix deposition.
conclusionsSurgery remains the cornerstone of GCTB treatment, with curettage or resection tailored to tumor characteristics. Denosumab offers a valuable adjunct in high-risk cases, enhancing surgical feasibility and promoting joint preservation. The Campanacci grading system continues to be a crucial tool for prognostication and treatment planning, particularly when complemented by molecular and radiological diagnostics. Future research should focus on integrating advanced imaging and artificial intelligence for personalized GCTB management. LEVEL OF EVIDENCE: Level 4.
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