Oral cavity
Minor salivary gland tumors / lesions
Inverted ductal papilloma


Topic Completed: 1 January 2014

Revised: 4 February 2019

Copyright: (c) 2004-20189, PathologyOutlines.com, Inc.

PubMed Search: Inverted ductal papilloma minor salivary glands

Nella Cristina Fernandez, M.D.
Page views in 2018: 385
Page views in 2019 to date: 321
Cite this page: Fernandez NC Inverted ductal papilloma. PathologyOutlines.com website. http://www.pathologyoutlines.com/topic/oralcavityinvertedpapilloma.html. Accessed September 16th, 2019.
Definition / general
Epidemiology
Sites
Clinical features
Case reports
Treatment
Gross description
Microscopic (histologic) description
  • Appears as dilated duct of minor salivary gland filled with papillae with fibrovascular cores, lined by a thick layer of nonkeratinizing stratified squamous and basaloid epithelium with numerous invaginations and cleft-like narrow spaces
  • Papillae contain cuboidal or columnar duct cells with occasional mucous goblet cells and microcysts
  • No atypia; mitotic figures are rare (Barnes: Pathology and Genetics of Head and Neck Tumours, 1st Edition, 2005)
Microscopic (histologic) images

Images hosted on other servers:

H&E

HPV in oral inverted papilloma

HPV in endophytic
component of
oral inverted
ductal papilloma

HPV6 / 11+ by ISH

HPV+

Differential diagnosis
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