Other nonneoplastic

Retention cysts

Topic Completed: 1 December 2012

Minor changes: 30 November 2020

Copyright: 2003-2021,, Inc.

PubMed Search: Retention cysts esophageal

Elliot Weisenberg, M.D.
Page views in 2020: 1,770
Page views in 2021 to date: 1,935
Cite this page: Weisenberg E. Retention cysts. website. Accessed October 22nd, 2021.
Definition / general
  • Also called mucocele
  • Derive from obstructed submucosal gland ducts
  • Small, usually in lower esophagus
  • May cause intramural pseudodiverticulosis, with multiple flask-like invaginations into esophageal wall (Am J Clin Pathol 1976;65:314)
  • Associated with chronic esophagitis and fibrosis; also surgically isolated segments of esophagus (Dis Esophagus 2002;15:96)
Microscopic (histologic) description
  • Saccular or flask shaped dilation of submucosal gland excretory ducts; rarely reaches muscularis propria
  • In large lesions, muscularis does not accompany the lesion so are not true diverticula
Back to top
Image 01 Image 02