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Fatal abdominal thorotrast granuloma

H Ishii1, A Tanaka, Y Nakayama

  • 1Division of Internal Medicine, Moji Rosai Hospital, Kitakyushu, Japan.

Internal Medicine (Tokyo, Japan)
|October 1, 1992
PubMed

Insights

A rare abdominal thorotrast granuloma, developing 49 years after a procedure, caused fatal ureteral obstruction, venous thrombosis, and organ perforation. This case highlights the severe, long-term risks of thorotrast exposure.

Area of Science:

  • Radiology and Pathology
  • Toxicology and Long-term Health Effects

Background:

  • Thorotrast, a historically used radiographic contrast agent, poses long-term health risks due to its radioactive nature.
  • Delayed complications from thorotrast deposition can manifest decades after exposure.

Observation:

  • A 65-year-old man presented with symptoms stemming from a large abdominal thorotrast granuloma.
  • The granuloma developed 49 years after accidental extravasation during a femoral angiography procedure.

Findings:

  • The growing thorotrast granuloma led to critical complications, including ureteral obstruction, venous thrombosis, and perforation of the urinary bladder and rectum.
  • This represents the first documented instance of a thorotrast granuloma causing perforation through both the urinary bladder and rectum.

Implications:

  • This case underscores the critical importance of recognizing the potential for severe, delayed complications from historical thorotrast use.
  • It highlights the need for vigilance in diagnosing and managing rare granulomatous diseases, even many years after initial exposure.
  • The findings emphasize the severe morbidity associated with thorotrast-induced granulomas, particularly when they lead to organ perforation.

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