| Malignant mesothelioma in North America. | |
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MedLine Citation:
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PMID: 7417959 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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Ascertainment, through 7,400 pathologists, of all fatal malignant mesothelial tumors in Canada (1960-75) and the U.S.A. (1972) gave a total of 668 cases (272 in 1972). In Canada, the annual number of male cases rose from about 17 in 1966 to 25 in 1972 but the number of female cases remained fairly steady at a much lower level. The annual incidence in North America in 1972 was estimated at 2.8 per million males and 0.7 per million females aged 15 years and over. Occupational histories were obtained "blind" for 480 of the 557 cases through 1972, and their matched controls; relative risks were as follows: insulation work, 46.0 asbestos production and manufacture, 6.1, heating trades (other than insulation) 4.4. For nearly half the male cases and for about 5% of female cases, the tumor could be attributed to occupational exposure to asbestos, of which a fifth were in shipyards. No indication was found of other possible causes (including man-made mineral fibers, tobacco smoking, or residence near zeolite deposits). Four subjects were men who had been employed in Quebec chrysotile mines and 3 were children of employees, but no other subject had lived in the mining area. The findings remain consistent with a much greater mesothelioma-producing potential for crocidolite and amosite than for chrysotile; however, further studies of factory workers exposed to chrysotile only are needed to confirm this. Mineral fiber analysis of lung tissue from patients and controls is in progress. |
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Authors:
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A D McDonald; J C McDonald |
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Publication Detail:
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Type: Journal Article; Research Support, Non-U.S. Gov't |
Journal Detail:
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Title: Cancer Volume: 46 ISSN: 0008-543X ISO Abbreviation: Cancer Publication Date: 1980 Oct |
Date Detail:
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Created Date: 1980-12-16 Completed Date: 1980-12-16 Revised Date: 2006-11-15 |
Medline Journal Info:
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Nlm Unique ID: 0374236 Medline TA: Cancer Country: UNITED STATES |
Other Details:
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Languages: eng Pagination: 1650-6 Citation Subset: AIM; IM |
Export Citation:
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APA/MLA Format Download EndNote Download BibTex |
| MeSH Terms | |
Descriptor/Qualifier:
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Adolescent Adult Aged Asbestos / adverse effects Canada Female Humans Lung Neoplasms / epidemiology* Male Mesothelioma / epidemiology*, etiology Middle Aged Occupational Diseases / etiology Risk Sex Factors United States |
| Chemical | |
Reg. No./Substance:
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1332-21-4/Asbestos |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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