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

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PubMed Search: Foregut cyst[TI] liver

Cite this page: Arora, K. Foregut cyst. PathologyOutlines.com website. http://pathologyoutlines.com/topic/liverforegutcyst.html. Accessed November 21st, 2017.
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