Nonneoplastic disorders

Topic Completed: 1 December 2012

Revised: 15 February 2019

Copyright: 2003-2019,, Inc.

PubMed Search: Pseudodiverticulosis esophagus

Elliot Weisenberg, M.D.
Page views in 2019: 241
Page views in 2020 to date: 61
Cite this page: Weisenberg E. Pseudodiverticulosis. website. Accessed April 1st, 2020.
Definition / general
  • Also called diffuse intramural esophageal (pseudo) diverticulosis
  • Uncommon, usually elderly, slight male predominance
  • More numerous in upper third of esophagus
Clinical features
  • Usually no clinical findings, rarely dysphagia with markedly enlarged cysts
Case reports
  • Dilate strictures (if any), reduce inflammation as needed
Gross description
  • Numerous 1 - 3 mm flask shaped diverticula with a pinpoint mouth
Gross images

AFIP images

Thickened esophageal wall due to expanded submucosa

Microscopic (histologic) description
  • Squamous lined, dilated excretory ducts of submucosal mucus glands; often surrounded by chronic inflammatory infiltrate (Hum Pathol 1988;19:928)
Microscopic (histologic) images

AFIP images

Two dilated ducts in superficial submucosa

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