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Year : 2021  |  Volume : 11  |  Issue : 1  |  Page : 156-159

A rare entity of undifferentiated pleomorphic sarcoma of the mandible - A case report

1 Department of Oral and Maxillofacial Surgery, AECS Maaruti College of Dental Sciences and Research Center, Bengaluru, Karnataka, India
2 Department of Oral and Maxillofacial Surgery, Sri Rajiv Gandhi College of Dental Sciences and Hospital, Bengaluru, Karnataka, India
3 Consultant Maxillofacial Surgeon, Vagus Superspeciality Hospital, Bengaluru, Karnataka, India
4 Consultant Maxillofacial Surgeon, People Tree Hospital, Bengaluru, Karnataka, India

Correspondence Address:
Dr. Nida Ahmed
Hafeez Manzil, 3rd A Cross, 2nd Floor, MM Layout, RT Nagar Post, Bengaluru - 560 032, Karnataka
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DOI: 10.4103/ams.ams_334_20

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The Rationale: Undifferentiated pleomorphic sarcoma originally known as malignant fibrous histiocytoma was declassified by the World Health Organization in 2002 as a formal diagnostic entity and renamed as an undifferentiated pleomorphic sarcoma. It accounts for <1% of malignant tumours of the long bone. Patient Concerns: A 33-year-old male patient reported with swelling and pain in the lower left posterior jaw region for 3 months with a history of fall on the floor 3 months back. Diagnosis: On examination, diffuse solitary swelling was present on the left lower third of the face and was diagnosed radiographically and histopathologically as undifferentiated pleomorphic sarcoma of the mandible. Treatment and Outcomes: Selective neck dissection, followed by reconstruction with fibula osteomyocutaneous flap and then referred for adjuvant radiotherapy. Take-away Lessons: Vimentin staining plays a substantial role in the diagnosis of undifferentiated pleomorphic sarcoma. A long-term follow-up after treatment is required to increase the chances of disease-free survival for the patients.

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