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Related Experiment Video

Updated: Jun 15, 2026

Induction of Drug-Induced, Autoimmune Hepatitis in BALB/c Mice for the Study of Its Pathogenic Mechanisms
11:36

Induction of Drug-Induced, Autoimmune Hepatitis in BALB/c Mice for the Study of Its Pathogenic Mechanisms

Published on: May 29, 2020

Primary hepatic actinomycosis.

Theoni Kanellopoulou1, Alexandra Alexopoulou, Maria-Irene Tanouli

  • 1Second Department of Medicine, Medical School, University of Athens, Hippokration General Hospital, Athens, Greece.

The American Journal of the Medical Sciences
|March 3, 2010
PubMed
Summary

Primary hepatic actinomycosis is a rare liver infection often mimicking other conditions. This infection is treatable with antibiotics, with or without drainage, and has a low mortality rate.

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Last Updated: Jun 15, 2026

Induction of Drug-Induced, Autoimmune Hepatitis in BALB/c Mice for the Study of Its Pathogenic Mechanisms
11:36

Induction of Drug-Induced, Autoimmune Hepatitis in BALB/c Mice for the Study of Its Pathogenic Mechanisms

Published on: May 29, 2020

Area of Science:

  • Hepatology
  • Infectious Diseases
  • Medical Imaging

Background:

  • Primary hepatic actinomycosis presents with nonspecific clinical and imaging findings.
  • It requires differentiation from other liver lesions, including malignancy.
  • This rare infection predominantly affects immunocompetent males.

Purpose of the Study:

  • To review the literature on primary hepatic actinomycosis.
  • To summarize its clinical presentation, diagnosis, and treatment outcomes.

Main Methods:

  • A comprehensive review of English language literature was conducted.
  • Data from 67 reported cases of hepatic actinomycosis were analyzed.

Main Results:

  • The infection was cryptogenic in 75% of cases and often involved the right lobe.
  • Radiologic imaging mimicked liver tumors in 45% of cases.
  • Diagnosis was primarily achieved through microscopic examination of specimens.
  • Treatment involved antibiotics alone or combined with drainage, with a 7.6% mortality rate.

Conclusions:

  • Primary hepatic actinomycosis is a rare, typically cryptogenic infection more common in men.
  • It is responsive to medical or combined medical and interventional treatments.
  • Early diagnosis and appropriate management are crucial for favorable outcomes.