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J Pathol Transl Med. 2015 Mar;49(2):144-147. English. Case Report.
Chi CL , Kuo TT , Lee LY .
Depatment of Pathology, Buddhist Dalin Tzu Chi Hospital, Chiayi, Taiwan.
Department of Pathology, Chang Gung Memorial Hospital, and Chang Gung University College of Medicine, Taoyuan, Taiwan.

Oncocytic lipoadenoma is a rare tumor, with only 18 cases having been reported since the first in 1998. We encountered a case of oncocytic lipoadenoma presenting as a slowly growing parotid mass in a 71-year-old man. This tumor is characteristically comprised of a mixture of oncocytes and adipocytes. The present case is one of five reported cases of oncocytic lipoadenoma showing sebaceous differentiation. The results of immunohistochemical study with DOG1 antibody supported the origination of this tumor in the striated duct.

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