Epithelial / myoepithelial tumors
Inverted ductal papilloma
Reviewer: Adriana Handra-Luca, M.D. (see Reviewers page)
Revised: 27 January 2013, last major update September 2012
Copyright: (c) 2003-2013, PathologyOutlines.com, Inc.
● Benign tumor of minor salivary glands, parotid which resembles inverted papilloma of nasal cavity
● Derives from proximal salivary gland excretory duct (Cancer 1982;49:519)
● Usually adults (Oral Surg Oral Med Oral Pathol Oral Radiol Endod 2001;92:68), no gender preference
● 49 year old man with mass in buccal mucosa of mandible (Pathol Int 2006;56:457)
● Resection, does not recur
● Small submucosal mass
● Complex invaginations of well differentiated squamous or basaloid epithelium with microcysts, mucous cells including goblet cells, columnar lining cells
Inverted papilloma of head & neck, not salivary glands
● CK13, CK14; less strong for CK8, CK18
End of Salivary glands > Epithelial / myoepithelial tumors > Inverted ductal papilloma
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