Evaluation of the 131I Thyroid-Monitoring Measurements Performed in Ukraine During May and June of 1986

Likhtarev, I.A.; Grulko, G. M.; Sobolev, Boris; Kairo, I. A.; Pröhl, G.; Roth, P.; Henrichs, K.

doi:10.1097/00004032-199507000-00002

Cited by 32 publications

(31 citation statements)

References 0 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…(21). Direct measurements made in the 3 months after the Chernobyl accident (22,23) and also reported at this conference are revealing. (24).…”

Section: Thyroid Cancermentioning

confidence: 57%

Perspectives in radiation and health: reflections on the International Conference in Beer Sheva.

Baverstock

1997

Environ Health Perspect

View full text Add to dashboard Cite

Insofar as international conferences reflect the state of development of the subject under discussion, they provide an opportunity to question, at a rather fundamental level, the direction of and progress in the subject. With regard to the effects of radiation on health, many of the problems faced today, including uncertainties in the relationship between risk and dose and the origins of the psychosocial phenomena associated with many aspects of environmental radiation exposure, arise from a lack of adequate frameworks within which to understand the radiopathological impact of radiation exposure and the psychological and social implications of such exposures. It is concluded that in seeking an understanding of the relationship of health effects to exposure, through the underlying radiobiological processes, the perturbation of the dynamic interactions within the components of the organism should receive more emphasis.The public perception of risk from environmental radiation exposures appears to encompass factors in addition to the accrued health detriment. It is argued that the radiological protection of the public might be seen more beneficially in the context of other environmental risks. Environ Health Perspect 105(Suppl 6):161 1-1 617 (1997)

show abstract

“…(21). Direct measurements made in the 3 months after the Chernobyl accident (22,23) and also reported at this conference are revealing. (24).…”

Section: Thyroid Cancermentioning

confidence: 57%

Perspectives in radiation and health: reflections on the International Conference in Beer Sheva.

Baverstock

1997

Environ Health Perspect

View full text Add to dashboard Cite

show abstract

“…Thyroid doses in children living in the northern region of the Ukraine were reported by Likhtarev et al [2,23,24]. The doses resulted primarily from intake of 131 I, a beta-emitter with a half-life of about 8.1 days which accumulates in the thyroid.…”

Section: Dosimetrymentioning

confidence: 92%

“…In considering the data, we have to realize that the dose reconstruction relies on dose measurements with a large variation in such aspects as the original measurement, mass of the thyroid and thickness of the overlying tissue. The standard deviation of the resulting dose measurement is estimated at 25%-35% [24]. The higher thyroid dose for children compared to adults is due to the high 131 I intake, primarily from ingestion of milk and milk products, and the smaller volume of the thyroid gland.…”

Section: Dosimetrymentioning

confidence: 99%

“…For the model calculations it was assumed that the number of target cells in the thyroid increased with the thyroid mass. Several sources of the development of the thyroid during childhood are available [24,27,30,31,32]. Primarily based on the combined data in [27], the following relationship was used for the age-dependent number of target cells for thyroid cancer:…”

Section: Two-mutation Carcinogenesis Modelmentioning

confidence: 99%

See 1 more Smart Citation

Analysis of thyroid cancer data from the Ukraine after ’Chernobyl' using a two-mutation carcinogenesis model

Leenhouts¹,

Brugmans²,

Chadwick³

2000

Radiation and Environmental Biophysics

View full text Add to dashboard Cite

The thyroid cancer data of children in the northern regions of the Ukraine after the reactor accident at Chernobyl were combined with thyroid dose measurements in the same regions and analysed using a two-mutation carcinogenesis model. The best fit was obtained for radiation acting as an initiating agent, i.e. on the first mutation of the model. The observed relatively high increase of thyroid cancer incidence after 1990 in children exposed to radiation released after the reactor accident could be ascribed to the high thyroid doses and the relatively low background thyroid cancer incidence in children. The maximum annual incidence is predicted to occur fairly soon after the reactor accident, i.e. about 10 years. For adults, the predicted relative increase of annual thyroid cancers is much lower than for children younger than 20 years. The modelling results are used to derive risk estimates for radiation-induced thyroid cancer. These risk estimates are dependent on age at exposure, follow-up time and the background thyroid cancer incidence. The calculated excess absolute risk for a population of all ages is about one-third of that currently used by ICRP, but for children the calculated absolute risks are about a factor of 3 higher than derived in other epidemiological studies. The model results indicate that the excess absolute radiation risk per unit dose for children is about the same as or a little lower than that for adults.

show abstract

“…The quality of these results has been investigated on the basis of a statistical analysis of reference-source measurements [6]. As a result, high quality measurements (mainly obtained in spectrometric measurements) were selected from the whole data set.…”

Section: Available Datamentioning

confidence: 99%

Estimation of 131 I thyroid doses for the evacuees from Pripjat

Goulko

Chumak²,

Chepurny³

et al. 1996

Radiation and Environmental Biophysics

Self Cite

View full text Add to dashboard Cite

The thyroid doses of 49,360 inhabitants of Pripjat evacuated after the accident at Chernobyl were reconstructed. During their evacuation most of the evacuees passed through highly contaminated territories. The evaluation of a large-scale public survey showed that only about 50% of the evacuees had left the contaminated areas within 5 days and that 30% of them stayed there for more than 30 days. As a first step, the model of dose estimations was improved, and thyroid doses were assessed for the group of evacuees for whom the 131I activity in the thyroids was measured. The 131I incorporation during the first 5 days after the accident was described by a single-intake model (inhalation); later incorporations were assumed to be proportional to the radioiodine activity in milk. As a second step, the correlation between the calculated doses and individual parameters (place of residence in Pripjat, intake of stable iodine, and age at the time of the accident) was described by an empirical equation. This equation was applied to all evacuees who completed the questionnaires of the public survey. Previous dose assessments were found to overestimate the thyroid doses especially for the younger evacuees. On the basis of these estimations, collective doses and the resulting radiation risks for thyroid cancer were assessed for different age groups.

show abstract

Evaluation of the 131I Thyroid-Monitoring Measurements Performed in Ukraine During May and June of 1986

Cited by 32 publications

References 0 publications

Perspectives in radiation and health: reflections on the International Conference in Beer Sheva.

Perspectives in radiation and health: reflections on the International Conference in Beer Sheva.

Analysis of thyroid cancer data from the Ukraine after ’Chernobyl' using a two-mutation carcinogenesis model

Estimation of 131 I thyroid doses for the evacuees from Pripjat

Contact Info

Product

Resources

About