Oral cavity
Other benign tumors / conditions

Author: Nat Pernick, M.D. (see Authors page)

Revised: 20 April 2018, last major update November 2013

Copyright: (c) 2002-2018, PathologyOutlines.com, Inc.

PubMed Search: Keratoacanthoma oral cavity

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Cite this page: Pernick, N. Keratoacanthoma. PathologyOutlines.com website. http://www.pathologyoutlines.com/topic/oralcavitykeratoacanthoma.html. Accessed January 22nd, 2019.
Definition / general
  • Usually sun exposed portion of lip, rarely is intraoral
Gross description
  • Cup shaped with central keratin plug
Microscopic (histologic) description
  • Pseudoepitheliomatous hyperplasia, may have blunt edge in base