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KMID : 1195620140070020149
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Clinical and Experimental Otorhinolaryngology
2014 Volume.7 No. 2 p.149 ~ p.152
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Oncocytic Sialolipoma of the Submandibular Gland
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Ahn Dong-Bin
Park Tae-In
Park June-Sik
Heo Sung-Jae
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Abstract
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Sialolipoma, a rare tumor of the salivary gland, is a recently described variant of salivary gland lipoma. Oncocytic sialolipoma was first described by Pusiol et al. in 2009. We report the case of an oncocytic sialolipoma of the submandibular gland in a 43-year-old female. Excision of the tumor was performed with preservation of the submandibular gland. The tumor had a thin, fibrous capsule and consisted of abundant adipose tissue, an oncocytic nodule, and scattered normal glandular structures surrounded by adipose tissue. Four cases of sialolipoma of the submandibular gland, including the present case, were reviewed. All 4 tumors were developed on the right submandibular glands, with a composition of adipose tissue as high as that of sialolipoma of the parotid gland; in contrast to previous reports, three cases were in females. As newly described tumor type, care should be taken to distinguish oncocytic sialolipoma from other salivary gland neoplasms such as simple lipoma, pleomorphic adenoma, or oncocytoma.
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KEYWORD
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Sialolipoma, Oncocyte, Submandibular gland, Lipoadenoma
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