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KMID : 0356820150310020054
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Korean Journal of Head & Neck Oncology
2015 Volume.31 No. 2 p.54 ~ p.57
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Primary Angiosarcoma of Accessory Parotid Gland : A Case Report of Long Term Follow-up
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Lee Hyo-Won
Kim Deok-Su
Jang Gyu-Ho
Kim Jeong-Kyu
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Abstract
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Angiosarcoma is a rare and highly malignant neoplasm which develops from the endothelium of blood vessels. A few cases of primary angiosarcoma of the parotid gland have been reported. However, there is no report of primary angiosarcoma of the accessory parotid gland. In this case, we report a primary angiosarcoma of the accessory parotid gland in a 45-year-old man with growing cheek mass. Ultrasonography revealed a $2.0{\times}2.6cm$ 수식 이미지 sized homogeneous hypoechoic mass and computed tomography showed a contrast enhanced homogeneous mass. Fine needle aspiration biopsy suggested a benign tumor. The mass was completely excised with a minimal vertical incision. The histopathology showed anastomosing vascular channels lined by atypical endothelial cells and many branching vessels with staghorn appearance with positive immunohistochemical staining for CD34, a highly specific endothelial marker. The patient underwent postoperative radiotherapy and was followed for 8 years without recurrence and metastasis.
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KEYWORD
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Angiosarcoma, Salivary gland, Accessory parotid neoplasm
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