Is occupationally induced exposure to radiation a risk factor for thyroid nodule formation?

被引:20
作者
Antonelli, A
Silvano, G
Gambuzza, C
Bianchi, F
Tana, L
Baschieri, L
机构
[1] UNIV PISA,INST MED CLIN 2,I-56100 PISA,ITALY
[2] UNIV PISA,INST RADIOL,PISA,ITALY
[3] INST CLIN PHYSIOL,UNIT EPIDEMIOL & BIOSTAT,PISA,ITALY
[4] SANIT PHYS UNIT,PISA,ITALY
来源
ARCHIVES OF ENVIRONMENTAL HEALTH | 1996年 / 51卷 / 03期
关键词
D O I
10.1080/00039896.1996.9936013
中图分类号
X [环境科学、安全科学];
学科分类号
08 ; 0830 ;
摘要
The prevalence of thyroid nodules was studied with ultrasonography in a group of male hospital workers (n = 44) who had been exposed occupationally to x-rays. This group was compared with a group of nonexposed workers (n = 88) who were age- and sex-matched with the exposed workers. Thyroid nodules were detected in 18 (41%) of the exposed workers, compared with 11 (13%) of the nonexposed controls. Both groups were subdivided with respect to age (i.e., 30-39 y, 40-49 y, 50-59 y), and there was a higher and significant relative risk for thyroid nodule formation in the exposed group. We also divided the groups into subgroups according to levels of exposure (i.e., nonexposed, exposed for < 20 y, and exposed for > 20 y), and a significant result was obtained with the linear-trend chi-square test. The preliminary results of our study suggest that occupationally induced exposure to radiation may be a risk factor for thyroid nodule formation.
引用
收藏
页码:177 / 180
页数:4
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