ArticleCureus2026
Undifferentiated High-Grade Pleomorphic Sarcoma of the Posterior Mandible: A Report of a Rare Case.
Article in Cureus, 2026. 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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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Authors and funding
4 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Undifferentiated pleomorphic sarcoma (UPS) is a high-grade mesenchymal malignancy that can closely resemble benign giant-cell-rich lesions such as central giant cell granuloma (CGCG), especially on limited biopsies. We report a case of a female patient with an enlarging mandibular swelling and an expansile osteolytic lesion that was initially diagnosed as CGCG based on an incisional biopsy showing multinucleated giant cells in a fibroblastic stroma. However, extended immunohistochemistry and the aggressive radiologic features supported a revised diagnosis of giant-cell-rich variant UPS. This case highlights the potential for diagnostic confusion on insufficient samples and emphasizes the importance of adequate tissue sampling, correlation with imaging, and comprehensive ancillary testing when evaluating destructive mandibular lesions.
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