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CASE REPORT
Year : 2015  |  Volume : 4  |  Issue : 2  |  Page : 130-133

Undifferentiated pleomorphic sarcoma presenting as a gingival mass: A rare case


1 Department of Oral and Maxillofacial Pathology, Mar Baselios Dental College, Kothamangalam, Kerala, India
2 Department of Oral and Maxillofacial Surgery, Mar Baselios Dental College, Kothamangalam, Kerala, India
3 Department of Oral Medicine and Radiology, Mar Baselios Dental College, Kothamangalam, Kerala, India

Correspondence Address:
B S Sreenivasan
Department of Oral and Maxillofacial Pathology, Mar Baselios Dental College, Kothamangalam, Ernakulam, Kerala - 686 691
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/2277-8632.158599

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Malignant fibrous histiocytoma which was once considered as a tumor of adults, is now being re-classified and subtyped either as a pleomorphic undifferentiated sarcoma or pleomorphic variant of other spindle cell tumors. Only less than 5% of these cases are reported in the head and neck, and its presentation intra-orally is still rarer. Herein, we report a case of gingival swelling in relation to the 16 region, which on microscopic examination showed a histomorphometric pattern of storiform pleomorphic-malignant fibrous histiocytoma. Immunohistochemical studies were done to exclude similar appearing spindle cell neoplasms. The tumor showed focal positivity for pan histiocytic marker, CD68. Based on the histopathological and immunohistochemical profiles, the tumor was diagnosed as undifferentiated pleomorphic sarcoma.


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