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[Ectopic liver in the gallbladder and cholestasis].

S Svane1, J Knudtzon

  • 1Kirurgisk avdeling, Buskerud sentralsykehus, Drammen.

Tidsskrift for Den Norske Laegeforening : Tidsskrift for Praktisk Medicin, Ny Raekke
|September 10, 1991
PubMed
Summary

A small ectopic liver was found on the gallbladder in two patients. This ectopic liver tissue showed similar pathological changes to the main liver during cholestasis.

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Area of Science:

  • Gastroenterology
  • Surgical Pathology
  • Hepatic Surgery

Background:

  • Extrahepatic cholestasis involves obstruction of bile flow outside the liver.
  • Gallbladder distention can occur with significant biliary obstruction.
  • Ectopic liver tissue is a rare congenital anomaly.

Observation:

  • Peroperative demonstration of a small ectopic liver attached to the gallbladder serosa.
  • Two cases presented with extrahepatic cholestasis and marked biliary distention.
  • The ectopic liver tissue exhibited histological features akin to normal liver parenchyma.

Findings:

  • A minute bile duct was identified within the ectopic liver, connecting to the gallbladder lumen.
  • The ectopic liver tissue underwent pathological changes similar to the orthotopic liver during cholestasis.
  • This finding provides a direct link between the gallbladder and ectopic liver function.

Implications:

  • Ectopic liver tissue can be functionally significant and respond to systemic conditions like cholestasis.
  • Understanding the presence and function of ectopic liver is crucial for diagnosing and managing biliary diseases.
  • This case highlights the importance of considering rare anatomical variations in surgical and pathological assessments.

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