| 1. | Thorotrast exposure has also been associated with the development of angiosarcoma.
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| 2. | About 2 to 10 million patients worldwide have been treated with Thorotrast.
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| 3. | The risk of leukemia appears to be 20 times higher in Thorotrast patients.
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| 4. | Due to the release of alpha particles, Thorotrast was found to be extremely carcinogenic.
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| 5. | The cancers occur some years ( usually 20-30 ) after injection of Thorotrast.
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| 6. | It has also been associated with individuals exposed to arsenic-containing insecticides and Thorotrast.
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| 7. | It was sold under the name Thorotrast.
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| 8. | The use of thorotrast was halted after scientists learned of its harmful effects to the liver.
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| 9. | Autoradiography was then used by the Finsen Institute to investigate the effects of the radiocontrast agent thorotrast.
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| 10. | There is a high over-incidence of various cancers in patients who have been treated with Thorotrast.
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