Urban-rural differences in breast cancer incidence in Egypt (1999-2006)

Subhojit Dey, Amr S Soliman, Ahmad Hablas, Ibrahim A. Seifeldein, Kadry Ismail, Mohamed Ramadan, Hesham El-Hamzawy, Mark L. Wilson, Mousumi Banerjee, Paolo Boffetta, Joe Harford, Sofia D. Merajver

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Abstract

Objective: To describe urban-rural differences in breast cancer incidence in Gharbiah, Egypt and to investigate if these differences could be explained by known risk factors of breast cancer. Methods: We used data from the population-based cancer registry of Gharbiah, Egypt to assess breast cancer incidence from 1999 through 2006. The Egyptian census provided data on district-specific population, age, and urban-rural classification. Incidence patterns of breast cancer by district and age-specific urban-rural differences were analyzed. Results: Overall, incidence rate of breast cancer was three to four times higher in urban areas than in rural areas (60.9/105-year for urban areas versus 17.8/105-year for rural areas; IRR=3.73, 95% CI=3.30, 4.22). Urban areas had consistently higher incidence of breast cancer across all age-groups for all years. Higher incidence of breast cancer was also seen in the more developed districts of Tanta and El-Mehalla. Conclusions: Higher incidence of breast cancer in urban and more developed populations might be related to higher exposure to xenoestrogens, as well as other endocrine disruptors and genotoxic substances.

Original languageEnglish (US)
Pages (from-to)417-423
Number of pages7
JournalBreast
Volume19
Issue number5
DOIs
StatePublished - Oct 1 2010

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Egypt
Breast Neoplasms
Incidence
Benzydamine
Endocrine Disruptors
Urban Population
Censuses
Population
Registries
Age Groups

ASJC Scopus subject areas

  • Surgery

Cite this

Dey, S., Soliman, A. S., Hablas, A., Seifeldein, I. A., Ismail, K., Ramadan, M., ... Merajver, S. D. (2010). Urban-rural differences in breast cancer incidence in Egypt (1999-2006). Breast, 19(5), 417-423. https://doi.org/10.1016/j.breast.2010.04.005

Urban-rural differences in breast cancer incidence in Egypt (1999-2006). / Dey, Subhojit; Soliman, Amr S; Hablas, Ahmad; Seifeldein, Ibrahim A.; Ismail, Kadry; Ramadan, Mohamed; El-Hamzawy, Hesham; Wilson, Mark L.; Banerjee, Mousumi; Boffetta, Paolo; Harford, Joe; Merajver, Sofia D.

In: Breast, Vol. 19, No. 5, 01.10.2010, p. 417-423.

Research output: Contribution to journalArticle

Dey, S, Soliman, AS, Hablas, A, Seifeldein, IA, Ismail, K, Ramadan, M, El-Hamzawy, H, Wilson, ML, Banerjee, M, Boffetta, P, Harford, J & Merajver, SD 2010, 'Urban-rural differences in breast cancer incidence in Egypt (1999-2006)', Breast, vol. 19, no. 5, pp. 417-423. https://doi.org/10.1016/j.breast.2010.04.005
Dey S, Soliman AS, Hablas A, Seifeldein IA, Ismail K, Ramadan M et al. Urban-rural differences in breast cancer incidence in Egypt (1999-2006). Breast. 2010 Oct 1;19(5):417-423. https://doi.org/10.1016/j.breast.2010.04.005
Dey, Subhojit ; Soliman, Amr S ; Hablas, Ahmad ; Seifeldein, Ibrahim A. ; Ismail, Kadry ; Ramadan, Mohamed ; El-Hamzawy, Hesham ; Wilson, Mark L. ; Banerjee, Mousumi ; Boffetta, Paolo ; Harford, Joe ; Merajver, Sofia D. / Urban-rural differences in breast cancer incidence in Egypt (1999-2006). In: Breast. 2010 ; Vol. 19, No. 5. pp. 417-423.
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