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agnes
# Posted: 31 Oct 2006 05:30
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Thyroid cancer risk in Sweden was not linked to occupational exposure to extremely low-frequency magnetic fields (ELFMF).

"This study sought to ascertain the risk of thyroid cancer in relation to occupational exposure to ionizing radiation and ELFMF in a cohort representative of Sweden's gainfully employed population.
A historical cohort of 2,992,166 gainfully employed Swedish male and female workers was followed up from 1971 through 1989," scientists in Spain reported.

"Exposure to ELFMF and ionizing radiation was assessed using 3 job exposure matrices based on industrial branch or occupational codes. Relative risks (RR) for male and female workers, adjusted for age and geographic area, were computed using log-linear Poisson models. Occupational ELFMF exposure showed no effect on the risk of thyroid cancer in the study.

However, female workers exposed to high intensities of ionizing radiation registered a marked excess risk (RR
1.85, 95% confidence interval (95% CI) 1.02-3.35),"explained V. Lope and colleagues, Carlos III Institute of Health.

The researchers concluded, "This trend was not in evidence among the men. While the study confirms the etiologic role of ionizing radiation, with a higher incidence of thyroid cancer being recorded for the most-exposed female workers, our results do not support the possibility of occupational exposure to ELFMF being a risk factor for the development of thyroid cancer."

Lope and colleagues published their study in Scandinavian Journal of Work Environment & Health
(Occupational exposure to ionizing radiation and electromagnetic fields in relation to the risk of thyroid cancer in Sweden. Scand J Work Environ Health, 2006;32(4):276-284).

For additional information, contact V. Lope, Carlos III Institute of Health, National Center Epidemiology,
Cancer & Environmental Epidemiology Sect, C Sinesio Delgado, 6, ES-28029 Madrid, Spain.

The publisher's contact information for the Scandinavian Journal of Work Environment & Health is:
Scand J Work Env Health, Topeliuksenkatu 41A, SF-00250 Helsinki, Finland.


This article was prepared by Lab Business Weekly editors from staff and other reports. Copyright 2006,
Lab Business Weekly via IncRx.com.
CARLOS III INSTITUTE OF HEALTH, SPAIN;

agnes
# Posted: 31 Oct 2006 05:31
Reply 


THYROID CANCER;
Thyroid cancer risk not linked to occupational exposure to electromagnetic fields


Thyroid cancer risk in Sweden was not linked to occupational exposure to extremely low-frequency magnetic fields (ELFMF).

"This study sought to ascertain the risk of thyroid cancer in relation to occupational exposure to ionizing radiation and ELFMF in a cohort representative of Sweden's gainfully employed population. A historical cohort of 2,992,166 gainfully employed Swedish male and female workers was followed up from 1971 through 1989," scientists in Spain reported.

"Exposure to ELFMF and ionizing radiation was assessed using 3 job exposure matrices based on industrial branch or occupational codes. Relative risks (RR) for male and female workers, adjusted for age and geographic area, were computed using log-linear Poisson models. Occupational ELFMF exposure showed no effect on the risk of thyroid cancer in the study.

However; female workers exposed to high intensities of ionizing radiation registered a marked excess risk (RR 1.85, 95% confidence interval (95% CI) 1.02-3.35)," explained V. Lope and colleagues, Carlos III Institute of Health.

The researchers concluded, "This trend was not in evidence among the men. While the study confirms the etiologic role of ionizing radiation, with a higher incidence of thyroid cancer being recorded for the most-exposed female workers, our results do not support the possibility of occupational exposure to ELFMF being a risk factor for the development of thyroid cancer."

Lope and colleagues published their study in Scandinavian Journal of Work Environment & Health (Occupational exposure to ionizing radiation and electromagnetic fields in relation to the risk of thyroid cancer in Sweden. Scand J Work Environ Health, 2006;32(4):276-284).

For additional information, contact V. Lope, Carlos III Institute of Health, National Center Epidemiology, Cancer & Environmental Epidemiology Sect, C Sinesio Delgado, 6, ES-28029 Madrid, Spain.

The publisher's contact information for the Scandinavian Journal of Work Environment & Health is: Scand J Work Env Health, Topeliuksenkatu 41A, SF-00250 Helsinki, Finland.

This article was prepared by Medical Devices & Surgical Technology Week editors from staff and other reports.
Copyright 2006, Medical Devices & Surgical Technology Week via NewsRx.com.

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