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KMID : 0361020190620100583
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Korean Journal of Otolaryngology - Head and Neck Surgery
2019 Volume.62 No. 10 p.583 ~ p.587
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A Case of Mucoepidermoid Carcinoma Mixed with Osteosarcoma of the Parotid Gland Extending to the Parapharyngeal Space
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Kwon Hyun-Keun
Shin Sung-Chan
Lee Jin-Choon
Lee Byung-Joo
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Abstract
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Carcinosarcomas, also known as true malignant mixed tumors, are rare tumors of the salivary gland and are composed of both malignant epithelial and malignant mesenchymal elements. They may occur in pre-existing pleomorphic adenomas or arise de novo. Here we report the first case of carcinosarcoma of the parotid gland composed of mucoepidermoid carcinoma and osteosarcoma. The tumor had originated from the parotid gland and extended into the parapharyngeal space. To the best of our knowledge, there have been no reports on mucoepidermoid carcinoma mixed with osteosarcoma ex pleomorphic adenoma in the parotid gland.
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KEYWORD
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Carcinosarcoma, Mucoepidermoid carcinoma, Osteosarcoma, Parotid gland, Malignant mixed tumor
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