Oral cavity
Other benign tumors / conditions
Keratoacanthoma


Topic Completed: 1 November 2013

Revised: 31 January 2019

Copyright: (c) 2002-2019, PathologyOutlines.com, Inc.

PubMed Search: Keratoacanthoma oral cavity

Nat Pernick, M.D.
Page views in 2018: 565
Page views in 2019 to date: 512
Cite this page: Pernick N Keratoacanthoma. PathologyOutlines.com website. http://www.pathologyoutlines.com/topic/oralcavitykeratoacanthoma.html. Accessed October 18th, 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
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