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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
Summary
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.