asbestos kills!
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What is mesothelioma?
Mesothelioma is an uncommon tumor of mesothelial tissue associated with asbestos exposure. Exposure has invariably occurred 15 to 40 years earlier and may have been relatively brief (i.e. 12 months) but heavy.
Mesothelioma is usually associated with exposure to crocoidolite, one of the four major commercial fibers. Amosite also often causes mesothelioma, but the tumor is very uncommon in persons exposed to chrysotile and anthophyllite. The evidence suggests that a tumor in a person exposed to chrysotile usually results from chrysolite deposits being contaminated with tremolite, a non-commercial amphibole form of asbestos.
Malignant pleural mesotheliomas, although rare, are more common than benign mesotheliomas. The malignant tumor is diffuse, infiltrates the pleura widely, and is always associated with pleural effusion. Benign pleural plaques and pleural effusions may develop after asbestos exposure; however, benign pleural mesothelioma is not related to asbestos exposure (Beers et al., 1999).
The fact that asbestos can cause cancer is now widely known in western countries and the public are increasingly familiar with the word mesothelioma, especially since the deaths of some well known individuals with the disease, such as the actor Steve McQueen and scientist and author Stephan Jay Gould (Robinson et al., 2005).
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What is mesothelioma?
Mesothelioma is an uncommon tumor of mesothelial tissue associated with asbestos exposure. Exposure has invariably occurred 15 to 40 years earlier and may have been relatively brief (i.e. 12 months) but heavy.
Mesothelioma is usually associated with exposure to crocoidolite, one of the four major commercial fibers. Amosite also often causes mesothelioma, but the tumor is very uncommon in persons exposed to chrysotile and anthophyllite. The evidence suggests that a tumor in a person exposed to chrysotile usually results from chrysolite deposits being contaminated with tremolite, a non-commercial amphibole form of asbestos.
Malignant pleural mesotheliomas, although rare, are more common than benign mesotheliomas. The malignant tumor is diffuse, infiltrates the pleura widely, and is always associated with pleural effusion. Benign pleural plaques and pleural effusions may develop after asbestos exposure; however, benign pleural mesothelioma is not related to asbestos exposure (Beers et al., 1999).
The fact that asbestos can cause cancer is now widely known in western countries and the public are increasingly familiar with the word mesothelioma, especially since the deaths of some well known individuals with the disease, such as the actor Steve McQueen and scientist and author Stephan Jay Gould (Robinson et al., 2005).
posted by jojo at 6:23 AM
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