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A case of occupational peritoneal mesothelioma from exposure to tremolite-free chrysotile in Quebec, Canada: A black swan case.

BACKGROUND
Tremolite contamination has been proposed as the cause of mesothelioma in workers exposed to commercial chrysotile. The asbestos industry and scientists it has sponsored, for example, have argued that commercial chrysotile does not cause peritoneal mesothelioma.


METHOD
Case report of peritoneal mesothelioma in a mill worker from a tremolite free Canadian mine.


RESULTS
Reports from pathology and occupational health and safety panels conclude that this mill worker developed work-related peritoneal mesothelioma.


CONCLUSION
Chrysotile without tremolite can cause peritoneal mesothelioma.