Recent Trends and Geographical Distribution of Thyroid Cancer in Iran from 2004 to 2009

Ali Safavi; Rozita  Jafari; Samira Chaibakhsh; Rashid Ramezani-Daryasar; Mansour Rezaei; Amir Ali Safavi

International Journal of Cancer Management

The Official Journal of Cancer Research Center (CRC), Shahid Beheshti University of Medical Sciences

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Abstract
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Recent Trends and Geographical Distribution of Thyroid Cancer in Iran from 2004 to 2009

Author(s):

Ali Safavi¹,

Rozita Jafari^1,*,

Samira Chaibakhsh²,

Rashid Ramezani-Daryasar³,

Mansour Rezaei⁴,

Amir Ali Safavi⁵

1Dept. of Otolaryngology, Head and Neck Surgery, Tracheal Research Center, National Research Institute of Tuberculosis and Lung Diseases Tracheal Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran

2Dept. of Biostatistics, Chronic Respiratory Disease Research Center, National Research Institute of Tuberculosis and Lung Diseases (NRITLD), Shahid Beheshti University of medical sciences, Tehran, Iran

3Dept. of Health of Iran, previous head of cancer registry office in CDC, Tehran, Iran

4Chronic Respiratory Disease Research Center, National Research Institute of Tuberculosis and Lung Disease (NRITLD), Shahid Beheshti University of Medical Sciences, Tehran, Iran

5Faculty of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran

International Journal of Cancer Management:Vol. 7, issue 4; e80560

Published online:Dec 31, 2014

Article type:Research Article

Received:May 26, 2014

Accepted:Jul 07, 2014

How to Cite:Ali SafaviRozita Jafari Samira ChaibakhshRashid Ramezani-DaryasarMansour RezaeiAmir Ali Safaviet al.Recent Trends and Geographical Distribution of Thyroid Cancer in Iran from 2004 to 2009.Int J Cancer Manag.7(4):e80560.

Abstract

Background: To prevent and control the cancers in Iran, the Iranian Department of Health has released the cancer rates data of the country. As the report has suggested, the incidence rate of thyroid cancer would be the most rapidly increasing among all the cancers. The study has aimed to carry out a qualitative assessment of thyroid cancer in Iran, during the 2004 to 2009, in a cross-sectional setting.

Methods: The incidence rates, the trend of individual provinces, the mean age at which the disease occurred, the correlation between incidence rate and median urinary iodine concentration were the parameters evaluated in our study.

Results: The average annual incidence rate during these six years was 2.17 per 100000. Chaharmahal-o-bakhtiari, had the highest incidence rate, but the East Azerbaijan provinces had the lowest incidence rates respectively. The age of diagnosis was the lowest in Ardebil but the highest in West Azerbaijan. In our study, we have found the positive correlation between thyroid cancer incidences with low urinary iodine concentration among all provinces (pvalue=0.025).

Conclusion: Presently, the only recognized measure procedure for reducing thyroid cancer risk would be perhaps the correction of median urinary iodine concentration. Further researches have seemed to be required for investigation the other factors, in order to introduce preventive measures in Iran.

Keywords

Thyroid cancer (TC)

Incidence rate

Cancer registry

Urinary iodine concentration

Iran

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