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KMID : 0356820100260020216
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Korean Journal of Head & Neck Oncology
2010 Volume.26 No. 2 p.216 ~ p.220
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A Case of Adenocarcinoma Ex Pleomorphic Adenoma with Tumor Thrombus of Submandibular Gland
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Kwon Chul
Park Cheol-Eon
Shin Il-Ho
Eun Young-Gyu
Kwon Kee-Hwan
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Abstract
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Carcinoma ex pleomorphic adenoma is rare, aggressive, poorly understood malignancy that occurs in the salivary glands. The patient was 70-year-old male presenting ovoid elevated submandibular mass that has been present for 30 years and rapid growing for 6 months. The initial cytologic finding by fine needle aspiration biopsy showed highly malignant cells and the radiologic finding revealed a sized mass with cervical lymphadenopathy. After wide excision of submandibular gland and modified radical neck dissection, the histologic examination revealed that tumor was composed partly of a benign pleomorphic adenoma and partly of an adenocarcinoma component with areas of calcification and frequent angiolymphatic invasion. We present a rare case of adenocarcinoma ex pleomorphic adenoma with tumor thrombus in the submandibular gland.
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KEYWORD
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Carcinoma ex pleomorphic adenoma, Submandibular gland, Tumor thrombus
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