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カテゴリー「thyroid cancer」

Organization of medical aid to people of Belorussia affected by the Chernobyl accident

Author: E.Ya. Sosnovskaya, E.K. Kapitonova

Reference: Медицинские новости. — 2004. — №11. — С. 13-15

Keywords: Belorussia, medical aid

Abstract: Experience of the liquidation of Chernobyl tells us that minimization of aftermaths of a radiation accident to the population greatly depends on the organization and effectiveness of the authorities of health protection. The article concerns problems of information system in the medical society, clinic-epidemiologic surveys etc.

URL: http://www.mednovosti.by/journal.aspx?article=2075

Cancer risk among chernobyl cleanup workers in Estonia and Latvia, 1986–1998

Author: Mati Rahu, Kaja Rahu, Anssi Auvinen, Mare Tekkel, Aivars Stengrevics, Timo Hakulinen, John D. Boice Jr, Peter D. Inskip

Reference: International Journal of Cancer, Volume 119, Issue 1, pages 162–168, 1 July 2006

Keywords: neoplasms; incidence; cohort; Chernobyl; Estonia; Latvia; radiation effects

Abstract: Two cohorts of Chernobyl cleanup workers from Estonia (4,786 men) and Latvia (5,546 men) were followed from 1986 to 1998 to investigate cancer incidence among persons exposed to ionizing radiation from the Chernobyl accident. Each cohort was identified from various independent sources and followed using nationwide population and mortality registries. Cancers were ascertained by linkage with nationwide cancer registries. Overall, 75 incident cancers were identified in the Estonian cohort and 80 in the Latvian cohort. The combined-cohort standardized incidence ratio (SIR) for all cancers was 1.15 (95% confidence interval (CI) = 0.98–1.34) and for leukemia, 1.53 (95% CI = 0.62–3.17; n = 7). Statistically significant excess cases of thyroid (SIR = 7.06, 95% CI = 2.84–14.55; n = 7) and brain cancer (SIR = 2.14, 95% CI = 1.07–3.83; n = 11) were found, mainly based on Latvian data. However, there was no evidence of a dose response for any of these sites, and the relationship to radiation exposure remains to be established. Excess of thyroid cancer cases observed may have been due to screening, the leukemia cases included 2 unconfirmed diagnoses, and the excess cases of brain tumors may have been a chance finding. There was an indication of increased risk associated with early entry to the Chernobyl area and late follow-up, though not statistically significant. Further follow-up of Chernobyl cleanup workers is warranted to clarify the possible health effects of radiation exposure. (full article in English available on web)

URL: http://onlinelibrary.wiley.com/doi/10.1002/ijc.21733/full

Late cancer and noncancer risks among Chernobyl emergency workers of Russia

Author: Ivanov V.K.

Reference: Health Phys. — 2007. — Vol. 93, №5. — P. 470–479.

Keywords: excess relative risk, leukemia, cerebrovascular diseases

Abstract: The presented work summarizes data on estimated radiation risks among Chernobyl emergency workers of the Russian Federation. In 1991-1998, the excess relative risk (ERR) of death from malignant neoplasm was statistically significant: excess relative risk per 1 Gy (ERR/Gy)=2.11 with 95% confidence interval (CI) (1.31-2.92). In 1991-2001, the ERR estimation for incident solid cancers gives a positive, but statistically insignificant value: ERR/Gy=0.34 with 95% CI (-0.39; 1.22). In 1986-2003, radiation risk for leukemia incidence was investigated. During the first 10 y after the Chernobyl accident (1986-1996) the relative risk (RR) of leukemia (excluding chronic lymphocytic leukemia) was statistically significant: RR=2.2 with 95% CI (1.3-3.8) for emergency workers with doses>0.15 Gy in comparison with less exposed workers. In 1986-2000, a statistically significant dose response was observed for incident cerebrovascular diseases: ERR/Gy=0.39, 95% CI=(0.004; 0.77). For doses>0.15 Gy a statistically significant risk of cerebrovascular diseases as a function of mean daily dose was observed: ERR per 0.1 Gy d(-1)=2.17 with 95% CI=(0.64; 3.69). Different but overlapping cohorts of Russian emergency workers were used for these estimations. No adjustments were made for recognized risk factors for cerebrovascular diseases. All results should be considered as preliminary.

URL: http://www.ncbi.nlm.nih.gov/pubmed/18049223

Chronic Fatigue Syndrome as Chornobyl aftermath: aetiobiomedical dimesions

Author: S. Volovik, K. Loganovsky, D. Bazyka et al.

Reference: Contributed papers to The International Conference “Twenty years after Chornobyl accident future outlook”, April 24–26, 2006, Kyiv, Ukraine. — Kyiv: HOLTEH. — P. 114–116.

Subclinical hypothyroidism in children and adolescents

Author: N.M. Okulevich

Reference: Медицинские новости (Medical news), 2004. No.5

Keywords: subclinical hypothyroidism

Abstract: According to the laboratory НИКИ РМиЭ, in the course of carrying out mass screening surveys of children born between 1985-1986 in various regions of the country, was found relatively high frequency of SG.

URL: http://www.mednovosti.by/journal.aspx?article=1731

Thyroid cancer in children

Author: E.P. Demidchik, Yu.E. Demidchik, V.Ya. Rebeko

Reference: Materials of the Intern. Scientific. Symposium “Medical aspects of radiation effects onto the population, living in contaminated territory after the Chernobyl accident”, Gomel, 6-7 May, 1994

Keywords: Belorussia, clinical experience

Abstract: Before the Chernobyl accident the incidence of thyroid cancer had been rare. After the accident the situation changed. Such incidence in children increased in the southern regions of the country, located near Chernobyl NPP. Experts consider that the increase was caused by radioiodine absorbed through inhalation or food. Clinical experience shows that the flow of thyroid cancer is more aggressive in children.

URL: http://www.mednovosti.by/news.aspx?id=609

British researchers: consequences of the Chernobyl catastrophe is not more dangerous than overeating

Reference: NEWSru.com

Keywords: divers, contradincting opinions by different researchers

Abstract: Natural Environment Research Council has published shocking results of its study: the risk of the effects of radiation on people, who have been victims of the accident at the Chernobyl nuclear power plant, is less serious than it is commonly believed. The Chernobyl disaster turned out to be as dangerous to health as a constant overeating, says Washington Profile. The consequences of the Chernobyl disaster occasionally raise debates. A year ago, researchers from Columbia University came to the conclusion that Chernobyl dramatically increased the number of cases of thyroid cancer. The reason is entering of radioactive particles of iodine into food.

URL: http://www.newsru.ru/world/10apr2007/4ernobyl.html

Increase of incidence of thyroid cnacer in the Chernobyl accident zone

Author: N. Pavlovskaya

Reference: РМЖ Независимое издание для практикующих врачей (BC independent publication for practitioners)

Keywords: cause of thyroid cancer, various research

Abstract: Coordinator of International Projects WHO on diseases of the thyroid gland, Dr. K. Baverstock, believes that among 1 million children who have fallen under irradiation in Belarus, a few percent are at risk to acquire thyroid cancer. Expert from the Cambridge University, Dr. D. Williams considers this percentage to be 10%. However, even if we assume that the radiation is the main cause of the epidemic of thyroid cancer, it is unclear exactly which radioisotopes play a major role and what other factors may be present to influence the disease. At the beginning, cesium 137 was in focus, however, nowadays radioiodine has replaced its position.

…An epidemiological study to determine the role of genetic factors in the overall picture of increasing the incidence of cancer will be among the other 25 studies of thyroid cancer in children, conducted in three different countries.

URL:   www.rmj.ru

BLOCKING OF A THYROID AT THE NUCLEAR ACCIDENTS: THE “COST-BENEFIT” ANALYSIS BY RESULTS OF CHERNOBYL FAILURE.

Title: BLOCKING OF A THYROID AT THE NUCLEAR ACCIDENTS: THE “COST-BENEFIT” ANALYSIS BY RESULTS OF CHERNOBYL FAILURE.

Author: Y. E. Kenigsberg, Y. E. Kryuk, Y. E. Demidchik

Reference: ЭКОЛОГИЧЕСКИЙ ВЕСТНИК, no. 2, 2007

Keywords: iodine prophylaxis,  the economic costs

Abstract: Using of an analytical method “cost – benefit” comparison of expenses for carrying out of large-scale iodine preventive prophylactic and real expenses with reference to children and the adolescences who lived in 1986 in territory of Belarus and have a thyroid cancer as a result of Chernobyl accident was done. The comparison was carried out for 2566 thyroid cancer cases which realized during from 1990 to 2005. The calculation was preformed in recalculation on 100 000 people. It is received, that duly carrying out of large-scale iodine preventive prophylactic among children and the adolescences could give economic benefit nearby 400 000 $ per 100 thousand person. Results evidently testify unconditional economic correctness and necessity of carrying out of large-scale iodine preventive prophylactic in case of atomic power station accidents.

URL: http://www.belmapo.by/downloads/rector/blokirav_shetovidnoj_zhelezi.doc

 

Thyroid Surgery: Pros and Cons

Reference: Здоровья Украины (Health in Ukraine) 2006 No.14-1

Keywords: surgery, experience, clinic

Abstract: Thyroid surgery in Ukraine continues to develop as an independent branch of clinical endocrinology. Therapeutic and surgical treatment for patients with thyroid disease should be carried out in specialized clinics, equipped with modern equipment and with a vast clinical experience. Formation of academic school of surgeons and endocrinologists, with years of experience, will improve skills and experience of the specialists, reducing the risk of developing complications in thyroid surgery.

URL: http://health-ua.com/articles/1352.html

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