ArticleRadiation research2023
Exposure to the Thyroid from Intake of Radioiodine Isotopes after the Chornobyl Accident. Report I: Revised Doses and Associated Uncertainties for the Ukrainian-American Cohort.
Article in Radiation research, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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7 citing papers in PubMed, 8 citations in OpenAlex.
- Thyroid doses estimated for a cohort of people exposed to fallout from atmospheric nuclear weapons testing at the semipalatinsk nuclear test site, Kazakhstan.Radiation and environmental biophysics · 2026Article
- INDIVIDUAL THYROID DOSE ESTIMATES FOR THE GENOMIC STUDY OF FOLLICULAR CARCINOMAS AND ADENOMAS IN PARTICIPANTS OF THE CHORNOBYL TISSUE BANK.Problemy radiatsiinoi medytsyny ta radiobiolohii · 2025Article
- Distinctive molecular features of radiation-induced thyroid cancers.Science advances · 2025Article
- Dose Reconstruction for Epidemiological Studies among Ukrainian Chernobyl Cleanup Workers.Radiation research · 2024Article
- Prevalence of Thyroid Nodules in Residents of Ukraine Exposed as Children or Adolescents to Iodine-131 from the Chornobyl Accident.Thyroid : official journal of the American Thyroid Association · 2024Article
- Genomic characterization of cervical lymph node metastases in papillary thyroid carcinoma following the Chornobyl accident.Nature communications · 2024Article
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15 authors at 6 institutions in 2 countries.
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Abstract
Thyroid doses from intake of radioiodine isotopes (131I, 132Te+132I, and 133I) and associated uncertainties were revised for the 13,204 Ukrainian-American cohort members exposed in childhood and adolescence to fallout from the Chornobyl nuclear power plant accident. The main changes related to the revision of the 131I thyroid activity measured in cohort members, the use of thyroid-mass values specific to the Ukrainian population, and the revision of the 131I ground deposition densities in Ukraine. Uncertainties in doses were assessed considering shared and unshared errors in the parameters of the dosimetry model. Using a Monte-Carlo simulation procedure, 1,000 individual stochastic thyroid doses were calculated for each cohort member. The arithmetic mean of thyroid doses from intake of 131I, 132Te+132I, and 133I for the entire cohort was 0.60 Gy (median = 0.22 Gy). For 9,474 subjects (71.6% of the total), the thyroid doses were less than 0.5 Gy. Thyroid doses for 42 cohort members (0.3% of the total) exceeded 10 Gy while the highest dose was 35 Gy. Intake of 131I contributed around 95% to internal thyroid exposure from radioiodine isotopes. The geometric standard deviation of individual stochastic thyroid doses varied among cohort members from 1.4 to 4.3 with an arithmetic mean of 1.6 and a median of 1.4. It was shown that the contribution of shared errors to the dose uncertainty was small. The revised thyroid doses resulted, in average, in around 40% decrease for cohort members from Zhytomyr Oblast and an increase of around 24% and 35% for the cohort members from Kyiv and Chernihiv Oblast, respectively. Arithmetic mean of TD20 doses for the cohort was around 8% less than that estimated in TD10, 0.60 Gy vs. 0.65 Gy, respectively; however, global median of TD20 doses somewhat increased compared to TD10: 0.22 Gy vs. 0.19 Gy, respectively. The difference between TD10 and TD20 was mainly due to a revision of the individual 131I thyroid activity measured in the cohort members.
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