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KMID : 0829220220460050105
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Korean Journal of Oral and Maxillofacial Pathology
2022 Volume.46 No. 5 p.105 ~ p.109
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Metastatic Undifferentiated Pleomorphic Sarcoma on Tongue: Case Report
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Kim Yoon-Hyeon
Hong Jin-Ho
Jung Jae-Hwan
Kim Hyoun-Min
Han Seung-Yong
Kim Hyun-Sil
Kim Hyung-Jun
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Abstract
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Sarcoma is rare malignant tumors that develop from mesenchymal cells. Metastasis to the oral cavity is a rare occurrence. Undifferentiated Pleomorphic sarcoma(UPS), formerly known as Malignant fibrous histiocytoma(MFH), is rare spindle cell neoplasm that can have poorly prognosis with metastasis and local recurrence. This report describes a case of a 77-year-old man who was diagnosed with Undifferentiated Pleomorphic Sarcoma of the chest wall and underwent adjuvant radiation therapy after surgical resection. Although there was success of wide excision, two years later, he presented with metastasis to the several organs including tongue. We retrospectively analyzed results of Next Generation Sequencing(NGS), and we figured out RB1 gene mutation. Until now targeted therapy of RB1 gene mutation is not established. Surgeon needs to consider metastatic tumors through identifying patients’ chief complaints and past medical & dental history. We need to research through NGS, and take a step closer to find targeted therapy for tumors.
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KEYWORD
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UPS, Undifferentiated Pleomorphic Sarcoma, RB1, Tongue metastasis, Metastatic sarcoma
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