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[Thorotrast-related hepatosis]

A Martí Vicente1, P González Carro, J Enríquez

  • 1Escuela de Patología Digestiva, Hospital de la Santa Creu i Sant Pau, Barcelona.

Revista Espanola De Enfermedades Digestivas
|January 1, 1993
PubMed
Summary

Thorotrast, a contrast agent, can cause liver disease, including fibrosis, nodularity, and cancer. Laparoscopy is a valuable diagnostic tool for identifying these Thorotrast-induced liver changes.

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Area of Science:

  • Hepatology
  • Radiology
  • Oncology

Background:

  • Thorotrast (thorium dioxide) was historically used as a radiocontrast agent.
  • Its long-term retention in the liver can lead to chronic toxicity and disease.
  • Understanding the spectrum of Thorotrast-induced liver disease is crucial for patient management.

Observation:

  • Clinical, pathological, and laparoscopic data from five patients with liver disease were analyzed.
  • Laparoscopic examination revealed varying degrees of hepatic fibrosis and nodularity.
  • Biopsies indicated precancerous changes like dysplasia in some patients.

Findings:

  • Laparoscopy demonstrated characteristic signs of liver damage consistent with Thorotrast exposure.
  • One patient was diagnosed with cholangiocarcinoma, a bile duct cancer.

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  • Two patients exhibited dysplasia, a precursor to cancer, on liver biopsy.

    • Implications:

    • The laparoscopic appearance of Thorotrast-induced liver disease is highly suggestive, aiding diagnosis.
    • Early detection of dysplasia and cancer is critical for improved patient outcomes.
    • This study highlights the enduring risks associated with historical Thorotrast use.