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Open AccessArticle

Asymptomatic Effect of Occupational Radiation Exposure on Thyroid Gland Hormones and Thyroid Gland Ultrasonographic Abnormalities

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Department of Radiology, Faculty of Medicine, Jordan University of Science and Technology, Irbid 22110, Jordan
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Department of Veterinary Clinical Sciences, Faculty of Veterinary Medicine, Jordan University of Science and Technology, Irbid 22110, Jordan
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Faculty of Applied Medical Sciences, Allied Medical Sciences, Jordan University of Science and Technology, Irbid 22110, Jordan
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Department of Accident and Emergency, Faculty of Medicine, Jordan University of Science and Technology, Irbid 22110, Jordan
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Dental Medical Center, Jordan University of Science and Technology, Irbid 22110, Jordan
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Department of Public Health and Community Medicine, Faculty of Medicine, Jordan University of Science and Technology, Irbid 22110, Jordan
*
Author to whom correspondence should be addressed.
J. Clin. Med. 2018, 7(4), 72; https://doi.org/10.3390/jcm7040072
Received: 16 March 2018 / Revised: 3 April 2018 / Accepted: 6 April 2018 / Published: 9 April 2018
(This article belongs to the Section Nuclear Medicine & Radiology)
Data evaluating the effect of asymptomatic effects of radiation on thyroid hormone panels and ultrasonographic abnormalities among radiology technologists are scarce. This study aimed to determine the asymptomatic effect of radiation in a total of 39 male and 11 female exposed radiology technologists working in radiology departments, and a total of 34 male and 16 female age-matched controls working in other departments in the same hospital. The level of triiodothyronine (T3), thyroxine (T4) and thyroid-stimulating hormone (TSH) were evaluated using Enzyme Linked Immunosorbent Assay (ELISA). Thyroid ultrasonographic evaluation outcomes were given as normal or abnormal. There was significant interaction between exposure and gender in the mean TSH and T4 but not T3. The mean TSH for exposed men was significantly higher than that among non-exposed men (2.28 mIU/L vs. 1.59 mIU/L; p-value = 0.003). The mean TSH was not significantly different between exposed and non-exposed women. The mean T4 for exposed men was significantly higher when compared with non-exposed men (11.1 pmol/L vs. 10.05 pmol/L; p-value = 0.005). In the non-exposed group, 93.8% of women and 94.1% of men had T4 values lower than established normal reference range, while in the exposed group, 90.9% of women and 74.4% of men had low values of T4. There was no significant difference in mean T3 between exposed and non-exposed groups for men and women. Furthermore, there were no significant differences in the thyroid gland ultrasonographic findings between exposed and non-exposed groups. Occupational radiation exposure is associated with increased means of TSH and T3, especially among men. View Full-Text
Keywords: occupational radiation exposure; radiation; thyroid function; T3; T4; TSH occupational radiation exposure; radiation; thyroid function; T3; T4; TSH
MDPI and ACS Style

Alawneh, K.; Alshehabat, M.; Al-Ewaidat, H.; Raffee, L.; Forihat, D.; Khader, Y. Asymptomatic Effect of Occupational Radiation Exposure on Thyroid Gland Hormones and Thyroid Gland Ultrasonographic Abnormalities. J. Clin. Med. 2018, 7, 72.

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