ArticleJournal of medical case reports2025
Undifferentiated pleomorphic sarcoma in the maxillary sinus: a case report.
Article in Journal of medical case reports, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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4 authors.
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Abstract
backgroundUndifferentiated pleomorphic sarcoma, previously called malignant fibrous histiocytoma, is a type of malignant mesenchymal tumor (sarcoma) of soft tissue and sometimes bone. It is uncommon in the oral cavity and very sporadic in the maxillary sinus. Microscopic diagnosis of this malignancy in the maxillary sinus can be very challenging, because there is a range of features that may overlap with other benign and malignant tumors. CASE PRESENTATION: In this paper, we report a case of undifferentiated pleomorphic sarcoma in the maxillary sinus of a 61-year-old Iranian man who was referred to the maxillofacial surgery ward due to pain and swelling of the upper jaw and visual problems in the right eye. In the initial incisional biopsy, peripheral giant cell granuloma was diagnosed in the hospital service. Yet, on request of the surgeon, during reviewing the slides in the oral pathology service of the School of Dentistry, and using an immunohistochemical method, undifferentiated pleomorphic sarcoma was diagnosed. In this paper, a case of undifferentiated pleomorphic sarcoma in the maxillary sinus is reported, with an emphasis on the management of its problems and diagnostic errors.
conclusionThis study reviews the challenges and histopathological diagnostic errors of this uncommon tumor in this rare location. This lesion may be similar to other malignant tumors, and its correct diagnosis requires a detailed and complete examination.
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