Talc Not Containing Asbestiform Fibres
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TALe NOT eONTAINING ASBESTIFORM FIBRES (Group 3) and TALe eONTAINING ASBESTIFORM FIBRES (Group 1) A. Evidence for carcinogenicity to humans (inadequate for talc not containing asbestiform
A proportionate mortality study of miners and milers of talc containing asbestiform tremolite has shown an excess of lung cancer and one case of mesothelioma. Another cohort study ofworkers mining and milling talc containing tremolite, anthophyllite and serpentine mineraIs revealed significant excess mortality from lung cancer and from nonmalignant respiratory disease. Mortality from lung cance...
متن کاملLung cancer risk and talc not containing asbestiform fibres: a review of the epidemiological evidence.
A literature search was done and all epidemiological cancer studies mentioning talc as a risk factor were selected. The talc exposed populations were divided into three groups: (1) populations in which no other occupational carcinogen was mentioned (only talc millers satisfied this criterion); (2) populations of talc miners exposed to talc, quartz, and/or radon; and (3) other industrial populat...
متن کاملAsbestos (chrysotile, Amosite, Crocidolite, Tremolite, Actinolite, and Anthophyllite)
Asbestos is the generic commercial designation for a group of naturally occurring mineral silicate fibres of the serpentine and amphibole series. These include the serpentine mineral chrysotile (also known as ‘white asbestos’), and the five amphibole minerals – actinolite, amosite (also known as ‘brown asbestos’), anthophyllite, crocidolite (also known as ‘blue asbestos’), and tremolite (IARC, ...
متن کاملAn update of a mortality study of talc miners and millers in Italy.
BACKGROUND While talc containing asbestiform fibers is considered a human carcinogen, only limited animal and human data are available on non-asbestiform talc. To provide further evaluation on the issue, we updated the analysis of an Italian cohort of talc miners and millers in Val Chisone; talc found here is free from asbestiform fibers. METHODS The cohort was comprised of 1,795 men who had ...
متن کاملPleural calcification, pleural mesotheliomas, and bronchial cancers caused by tremolite dust.
Around the town of Cermik in south-east Turkey there are many deposits of asbestiform minerals, some of which are used to make whitewash or stucco. A sample of 7000 of the population revealed 461 (6.5%) with pleural thickening and calcification, of whom 103 (1.47% of the total) had evidence of interstitial pulmonary fibrosis. Forty-one patients with respiratory cancer were admitted to the Diyar...
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تاریخ انتشار 2011