Esophagus
Nonneoplastic disorders
Pseudodiverticulosis


Topic Completed: 1 December 2012

Revised: 15 February 2019

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

PubMed Search: Pseudodiverticulosis esophagus

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Cite this page: Weisenberg E. Pseudodiverticulosis. PathologyOutlines.com website. http://www.pathologyoutlines.com/topic/esophaguspseudodiverticulosis.html. Accessed May 23rd, 2019.
Definition / general
  • Also called diffuse intramural esophageal (pseudo) diverticulosis
Epidemiology
  • Uncommon, usually elderly, slight male predominance
Sites
  • More numerous in upper third of esophagus
Etiology
Clinical features
  • Usually no clinical findings, rarely dysphagia with markedly enlarged cysts
Case reports
Treatment
  • 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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