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KMID : 1148020130380020103
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조선대학교의대논문집
2013 Volume.38 No. 2 p.103 ~ p.106
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A Case of Carcinosarcoma ex Pleomorphic Adenoma
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Lim Sharon
Lee Mi-Ja
Kim Young-Sook
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Abstract
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Malignant mixed tumor is an aggressive malignant neoplasm composed of heterologous malignant epithelial and stromalcomponents. It is a rare neoplasm, accounting for 0.05 % of all salivary gland tumors and 0.16 % of all malignant salivarygland tumors. The tumor may occur in the background of a preexisting pleomorphic adenoma or may arise de novo. Wereport on an 84-year-old female who was diagnosed with carcinosarcoma on her left parotid gland. Microscopically, thetumor consisted of two components - mainly myxoid chondrosarcoma (75%), poorly differentiated carcinoma and a fewremnants of benign pleomorphic adenoma in the periphery of the tumor.
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KEYWORD
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Malignant mixed tumor, Myxoid chondrosarcoma, Parotid, Pleomorphic adenoma
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