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[Primary hepatic actinomycosis: a case of inflammatory pseudotumor (case report)]

Sadik Tamsel1, Gülgün Demirpolat, Refik Killi

  • 1Ege Universitesi Tip Fakültesi, Radyodiagnostik Anabilim Dali, Izmir, Turkey.

Tanisal Ve Girisimsel Radyoloji : Tibbi Goruntuleme Ve Girisimsel Radyoloji Dernegi Yayin Organi
|July 6, 2004
PubMed

Insights

Actinomycosis, a rare infection, can affect the liver, often mimicking tumors. This case highlights actinomycotic inflammatory pseudotumors in the liver, emphasizing diagnostic challenges.

Area of Science:

  • Infectious Diseases
  • Hepatology
  • Microbiology

Background:

  • Actinomycosis is a rare chronic infection caused by Actinomyces israelii.
  • Primary liver involvement in actinomycosis is uncommon, accounting for 5% of cases.
  • Intrauterine devices (IUDs) are a known risk factor for abdominal actinomycosis.

Observation:

  • Hepatic actinomycosis can present as a single abscess or mimic malignant tumors.
  • Inflammatory pseudotumors are lesions that resemble malignant neoplasms clinically and radiologically.
  • Microscopic examination of tissue specimens is crucial for diagnosis.

Findings:

  • This report details a rare case of an inflammatory pseudotumor of the liver caused by actinomycotic infection.
  • Hepatic lesions in abdominal actinomycosis are often metastatic, but primary involvement can occur.
  • Actinomycosis diagnosis requires tissue examination, distinguishing it from other liver pathologies.

Implications:

  • Recognizing hepatic actinomycosis as an inflammatory pseudotumor is vital for accurate diagnosis and treatment.
  • This case underscores the importance of considering infectious etiologies in liver lesions that mimic malignancy.
  • Early and accurate diagnosis can prevent misclassification as cancer, leading to appropriate antimicrobial therapy.

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