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Chornobyl radiation ups risk of thyroid cancer in children and adolescents
July 05, 2006
Exposure to radioactive iodine increases the risk of thyroid cancer in children and adolescents, a study of thyroid cancer prevalence after the Chornobyl accident shows. The study is published in the July 5 issue of the Journal of the National Cancer Institute. In 1986, an accident at the Chornobyl nuclear power plant exposed large numbers of people in Belarus, Ukraine, and the Russian Federation to radioactive material high in isotopes of iodine and cesium. Numerous studies have shown that exposure to certain types of radiation increases the incidence of thyroid cancer in children and teens. However, few studies have examined the effects of exposure to radioactive iodines, and only three studies have examined cancer risk from the Chornobyl-related exposures.
Geoffrey R. Howe, Ph.D., of Columbia University in New York, and colleagues screened 13,127 people for thyroid cancer who at the time of the Chornobyl accident were under 18 and lived in highly contaminated areas of Ukraine. The researchers estimated each participant's individual radiation dose using thyroid radioactivity measurements made shortly after the accident and interview data obtained during screening.
The researchers found 45 cases of thyroid cancer in the screened group in comparison with the 11.2 cases expected without the accident. Subjects had a tendency toward lower risk of thyroid cancer with increasing age at the time of the exposure. The authors suggest that exposure to radioactive fallout from the Chornobyl accident increased thyroid cancer in those exposed as children and adolescents.
The authors write, "We estimate that 75% of the thyroid cancer cases would have been avoided in the absence of radiation. With appropriate adjustment for dose, this estimate demonstrates a substantial contribution of radioactive iodines to the excess of thyroid cancer that followed the Chornobyl accident."
Journal of the National Cancer Institute
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The Thyroid Cancer Book
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This book is a valuable and extensive source of information about thyroid cancer and is specifically written for the patient with thyroid cancer. However, family and friends of patients who have thyroid cancer will also find this book useful. The book discusses a wide spectrum of aspects about thyroid nodules and cancer. It is discusses the basics of the thyroid gland, the evaluation of thyroid nodules, the various types of thyroid cancer, their prognosis, and the initial diagnostic evaluation and treatment of the four major types of thyroid cancer. This includes the role of surgery and other treatments. The book also discusses diets, hormone treatment, and thyroid cancer in children and adolescents. One chapter presents the personal stories of several patients, who have or...
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The Thyroid Sourcebook (5th Edition) (Sourcebooks)
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Cure Thyroid Cancer Sweatshirt Large White
by Shop Zeus
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Thyroid Cancer: A Comprehensive Guide to Clinical Management
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This massive revision of the highly acclaimed first edition presents a wealth of new information and insights on every aspect of the etiology, pathogenesis, diagnosis, initial treatment, and long-term management of all varieties of thyroid cancer. Paramount is a thorough treatment of the nuclear medical aspects of diagnosing and managing the thyroid cancer patient. This includes extensive discussion of isotopes, isotope uptake and scanning procedures, radioisodine ablation and dosimetry (with or without recombinant human TSH), stunning, octreotide and FDG-PET scanning, and various alternative imaging modalities. Additional highlights include management of the scan negative and thyroglobulin-positive patient, ultrasound of the lymph nodes, local adjuncts to therapy of metastases, low...
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