Glandular lesions that cannot be diagnosed readily as salivary gland tumors occur uncommonly in the upper aerodigestive tract. They occur only with some frequency within the sinonasal tract. Well-characterized lesions at this site include the respiratory epithelial adenomatoid hamartoma, seromucinous hamartoma, and intestinal and non-intestinal-type adenocarcinomas. This article reviews the clinicopathologic features of these fascinating lesions.
Keywords: Adenocarcinoma; Intestinal; Nasal; Papillary; Respiratory epithelial adenomatoid hamartoma; Seromucinous hamartoma; Sinonasal; Sinus.
Copyright © 2016 Elsevier Inc. All rights reserved.