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Tazhibi M, Dehkordi ZF, Babazadeh S, et al. Investigation of the age trends in patients with breast cancer and different sizes of tumors in Breast Cancer Research Center of Isfahan University of Medical Sciences in 2001-2010. J Educ Health Promot. 2014;3:41doi: 10.4103/2277-9531.131923.
Tazhibi, M., Dehkordi, Z. F., Babazadeh, S., Tabatabaeian, M., Rezaei, P., & Faghihi, M. (2014). Investigation of the age trends in patients with breast cancer and different sizes of tumors in Breast Cancer Research Center of Isfahan University of Medical Sciences in 2001-2010. Journal of education and health promotion, 341. https://doi.org/10.4103/2277-9531.131923
Tazhibi, Mehdi, et al. "Investigation of the age trends in patients with breast cancer and different sizes of tumors in Breast Cancer Research Center of Isfahan University of Medical Sciences in 2001-2010." Journal of education and health promotion vol. 3 (2014): 41. doi: https://doi.org/10.4103/2277-9531.131923
Tazhibi M, Dehkordi ZF, Babazadeh S, Tabatabaeian M, Rezaei P, Faghihi M. Investigation of the age trends in patients with breast cancer and different sizes of tumors in Breast Cancer Research Center of Isfahan University of Medical Sciences in 2001-2010. J Educ Health Promot. 2014 May 05;3:41. doi: 10.4103/2277-9531.131923. eCollection 2014. PMID: 25013834; PMCID: PMC4089114.
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J Educ Health Promot. 2014 May 05;3:41. doi: 10.4103/2277-9531.131923. eCollection 2014.

Investigation of the age trends in patients with breast cancer and different sizes of tumors in Breast Cancer Research Center of Isfahan University of Medical Sciences in 2001-2010.

Journal of education and health promotion

Mehdi Tazhibi, Zahra Fazeli Dehkordi, Shadi Babazadeh, Maryam Tabatabaeian, Parisa Rezaei, Mehri Faghihi

Affiliations

  1. Department of Biostatistics and Epidemiology, School of Health, Isfahan University of Medical Sciences, Isfahan, Iran.
  2. Department of Radiation Oncology, and Breast Cancer Research Center, Isfahan University of Medical Sciences, Isfahan, Iran.
  3. Department of Surgery and Breast Cancer Research Center, Isfahan University of Medical Sciences, Isfahan, Iran.
  4. Department of Pathology and Breast Cancer Research Center, Isfahan University of Medical Sciences, Isfahan, Iran.
  5. Pathology Department and Breast Cancer Research Center, Isfahan University of Medical Sciences, Isfahan, Iran.

PMID: 25013834 PMCID: PMC4089114 DOI: 10.4103/2277-9531.131923

Abstract

BACKGROUND: Breast cancer is the most common cause of death in women in the age range of 35-55 years. Each year, one or two cases of breast cancer per 1000 women are diagnosed as new cases. Despite the serious prognosis and high rate of morbidity, mortality, and pathogenicity, in the case of early diagnoses, the prognosis will be better. The aim of this study was to investigate the age trends in breast cancer patients with different sizes of tumors in Breast Cancer Research Center of Isfahan University of Medical Sciences in 2001-2010.

MATERIALS AND METHODS: The information in radiotherapy and oncology of Isfahan University of Medical Sciences and Milad Hospital from 2001 to 2010 were coded and analyzed. Frequency of patients' age groups, tumor sizes and the year of cancer diagnosis were calculated. Correlation test was used for data analysis in statistical analysis in social science (SPSS) software version 18.

FINDINGS: Among the 3722 patients with breast cancer, the highest relative frequency distribution, respectively was observed in the age of 40-49 years (34.4%), 50-59 years (26.6%), 30-39 years (17.7%), 60-69 years (13.2%), 20-29 years (2.5%), 70 years and older (5.2%) and less than 20 years. Relative frequency distribution of tumor sizes in a variety of 5 cm (T2) was with the frequency of 59.8%, and then 26% at 5 cm (T3), 10.5% at 2 cm (T1), 3.1% at T4 and 0.6 at In-situ, respectively.

CONCLUSION: The investigation of age trends showed that diagnosis rate of breast cancer increased from 2001 to 2004. It reached its highest value in 2006 at the age range of 30-39 years. Then, the trend has been downward, and it has continued to decline until 2010, which could be the result of the equipping screening system and recording the malignant cases. 85.8% of the examined tumors in T2 and T3 group were visible and may be disturbing. Comparing the frequency distribution of the infected population showed that the highest incidence of breast cancer diagnosis were in the age range of 40-49 years. It seems that as long as the mass has not reached an obvious palpable state, it has not been diagnosed.

Keywords: Age trends; Isfahan; breast cancer; tumor size

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