High-grade adenocarcinoma, (ductal type) arising in unilateral Warthin tumor of the parotid gland

• Main Authors: Kedar K Deodhar, Milap Shah, Pankaj Chaturvedi
• Format: Article
• Language: English
• Published: Wolters Kluwer Medknow Publications 2011-01-01
• Series: Indian Journal of Pathology and Microbiology
• Subjects: High-grade adenocarcinoma; parotid gland; Warthin tumor
• Online Access: http://www.ijpmonline.org/article.asp?issn=0377-4929;year=2011;volume=54;issue=3;spage=574;epage=577;aulast=Deodhar

Warthin tumor is a well-recognized benign salivary gland neoplasm consisting of an epithelial as well as a lymphoid component. Malignant transformation in Warthin tumor is rare and its reported incidence is up to 1%. The more common types of carcinomas described in Warthin tumor are the squamous and mucoepidermoid types, with high-grade adenocarcinoma being extremely rare. A high-grade adenocarcinoma (ductal type) arising in the Warthin tumor in a 72-year-old man is presented for its rarity and diagnostic difficulties.