title: Update From The 4th Edition of the World Health Organization Classification of Head and Neck Tumours: Nasopharynx.
abstract: The current WHO classification system for tumors of the head and neck has made few changes from the previous edition with regards to tumors of the nasopharynx. The classification system is discussed here with particular attention to nasopharyngeal carcinoma, nasopharyngeal papillary adenocarcinoma, salivary gland anlage tumor, hairy polyp, juvenile angiofibroma, and other tumors.
authors.affiliation: Anatomic Pathology, University of Virginia Health System, Box 800214, Jefferson Park Ave., Charlottesville, VA, 22908, USA. edstelow@yahoo.com.
authors.forename: Edward B
authors.initials: EB
authors.lastname: Stelow
authors.affiliation: H. Lee Moffitt Cancer Center and Research Institute, Tampa, FL, USA.
authors.forename: Bruce M
authors.initials: BM
authors.lastname: Wenig
mesh_terms: D006801:Humans; D009303:Nasopharyngeal Neoplasms / Q000145:classification* / Q000473:pathology; D014944:World Health Organization
keywords: Adenocarcinoma; Angiofibroma; Anlage; Carcinoma; Nasopharynx; Papillary; Salivary gland; Squamous cell carcinoma; WHO