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Malignant peritoneal mesothelioma after remote abdominal radiation
B Gilks1, C Hegedus, H Freeman
1Department of Pathology, University of British Columbia Health Sciences Centre Hospital, Vancouver, Canada.
Cancer
|May 15, 1988
Summary
Radiation therapy can cause peritoneal mesothelioma, a rare cancer. This case highlights the importance of considering radiation exposure in patients with this diagnosis, especially those with no asbestos history.
Area of Science:
- Oncology
- Radiology
- Pathology
Background:
- Mesothelioma is a rare cancer primarily linked to asbestos exposure.
- Therapeutic radiation is a known, albeit less common, cause of mesothelioma.
- Peritoneal mesothelioma specifically is infrequently associated with radiation therapy.
Observation:
- A 61-year-old male developed peritoneal mesothelioma 26 years post-abdominal radiotherapy.
- The patient had undergone treatment for testicular seminoma.
- No history of asbestos exposure was reported in this case.
Findings:
- This case represents the fifth documented instance of peritoneal mesothelioma following abdominal therapeutic irradiation.
- The latency period of 26 years is notable.
- The absence of asbestos exposure strengthens the link to prior radiation treatment.
Implications:
- Highlights radiation as a significant, though underreported, risk factor for mesothelioma.
- Emphasizes the need for vigilance in diagnosing mesothelioma in patients with a history of abdominal radiotherapy.
- Suggests further research into the mechanisms and long-term risks of radiation-induced mesothelioma.