Oncocytic papillary cystadenoma of major salivary glands: Three rare cases with diverse cytologic features

초록

Oncocytic papillary cystadenoma (OPC) in the major salivary glands is extremely rare. We report three cases of these cystadenomas arising in major salivary glands, with varied cytologic features. Case 1: A 38-year-old man presented with a right parotid gland mass that showed papillary clusters of oncocytic cells on cytologic examination. Case 2: An 84-year-old man presented with a left parotid gland mass. Cytology revealed an acellular smear. Case 3: A 57-year-old man presented with a mass in the right submandibular gland. Cytology revealed irregular sheets of epithelial cells. Histologic diagnoses of OPC were made for all three cases.

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