Esophagus
Benign tumors
Squamous papilloma


Topic Completed: 1 February 2013

Revised: 11 September 2019

Copyright: 2003-2019, PathologyOutlines.com, Inc.

PubMed Search: Squamous papilloma[TIAB] esophagus


Elliot Weisenberg, M.D.
Page views in 2018: 5,253
Page views in 2019 to date: 6,359
Cite this page: Weisenberg E. Squamous papilloma. PathologyOutlines.com website. http://www.pathologyoutlines.com/topic/esophagussquamouspapilloma.html. Accessed October 22nd, 2019.
Definition / general
  • Benign polyp of mature stratified squamous epithelium overlying lamina propria
Clinical features
Treatment
Gross description
  • Small (5 mm or less), whitish pink sessile mass
Microscopic (histologic) description
  • Exophytic (most common), endophytic and spiked patterns described
  • Mature thickened squamous epithelium covering delicate fibrovascular stalks which may be branching, endophytic or with stromal spikes
  • May have koilocytosis, parakeratosis and binucleated cells suggestive of HPV infection; HPV infection especially common in exophytic lesions
Microscopic (histologic) images

AFIP images

Elaborate branching of lamina propria

Endophytic type

Spike form



Images hosted on other servers:

Various images

MIB1

Differential diagnosis
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