Liver & intrahepatic bile ducts

Developmental anomalies / cysts

Foregut cyst

Topic Completed: 1 April 2012

Minor changes: 22 September 2020

Copyright: 2002-2021,, Inc.

PubMed Search: Foregut cyst[TI] liver

Komal Arora, M.D.
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Page views in 2021 to date: 1,703
Cite this page: Arora K. Foregut cyst. website. Accessed December 2nd, 2021.
Definition / general
  • Rare, < 100 cases reported
  • Intrahepatic ileal and duodenal duplications and ciliated foregut cysts have been described
  • 4 cm or smaller, have smooth muscle bundles in cyst wall
  • Slightly more common in men and in medial segment of left hepatic lobe
  • Resemble bronchiolar epithelium
Case reports
Gross description
  • Solitary, rarely multilocular, 1 - 4 cm
Microscopic (histologic) description
  • Ciliated pseudostratified columnar epithelium with goblet cells, subepithelial connective tissue, 1 - 3 smooth muscle layers, outer fibrous capsule
Microscopic (histologic) images

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Ciliated foregut cyst

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