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KMID : 0361020170600100522
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Korean Journal of Otolaryngology - Head and Neck Surgery
2017 Volume.60 No. 10 p.522 ~ p.526
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Malignant Solitary Fibrous Tumor of the Parotid Gland
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Kim Dae-Hwan
Cho Ki-Ju
Kim Jin-Pyeong
Woo Seung-Hoon
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Abstract
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Solitary Fibrous tumor is usually arising in the pleura of the thoracic cavity and it has been described in a variety of extrapleural sites including the abdominal cavity, soft tissue, upper respiratory tract and rarely in head and neck region. We experienced a rare case of solitary fibrous tumor in the parotid gland. A 49-year-old woman presented with a painless mass in the left parotid. The mass was well-demarcated and easily dissected, and it showed a patternless arrangement of potential malignant spindle cells in a fibrotic background and prominent vascular structures. In immunochemistry, the mass cells were positive for CD34, vimentin, and negative for actin, S-100 protein, and cytokeratins. Therefore, the parotid mass diagnosed as SFT. During the 24 months of follow-up, there was no recurrence of tumor growth.
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KEYWORD
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Parotid gland, Salivary glands, Solitary fibrous tumor
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