Liver and intrahepatic bile ducts - nontumor
Developmental anomalies / cysts
Foregut cyst

Author: Komal Arora, M.D. (see Authors page)

Revised: 25 October 2017, last major update April 2012

Copyright: (c) 2002-2017,, Inc.

PubMed Search: Foregut cyst[TI] liver

Cite this page: Arora, K. Foregut cyst. website. Accessed June 20th, 2018.
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

Images hosted on other servers:

Ciliated foregut cyst

Ciliated foregut cyst
with squamous metaplasia,
dysplasia and carcinoma