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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
biochemistry, genetics and molecular biology
Incidence analyses of bladder cancer in the Nile delta region of Egypt
Cancer Epidemiology, Volume 33, No. 3-4, Year 2009
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Description
Bladder cancer is the most common malignancy among Egyptian males and previously has been attributed to Schistosoma infection, a major risk factor for squamous cell carcinoma (SCC). Recently, transitional cell carcinoma (TCC) incidence has been increasing while SCC has declined. To investigate this shift, we analyzed the geographical patterns of all bladder cancers cases recorded in Egypt's Gharbiah Population-Based Cancer Registry from 1999 through 2002. Data on tumor grade, stage, and morphology, as well as smoking, community of residence, age and sex, were collected on 1209 bladder cancer cases. Age-adjusted incidence rates were calculated for males, females, and the total population for the eight administrative Districts and 316 communities in Gharbiah. Incidence Rate Ratios (IRR) and 95% confidence intervals (CI) were computed using Poisson Regression. The male age-adjusted incidence rate (IR) in Gharbiah Province was 13.65/100,000 person years (PY). The District of Kotour had the highest age-adjusted IR 28.96/100,000 among males. The District of Kotour also had the highest IRR among all Districts, IRR = 2.15 95% CI (1.72, 2.70). Kotour's capital city had the highest bladder cancer incidence among the 316 communities (IR = 73.11/100,000 PY). Future studies on sources and types of environmental pollution and exposures in relation to the spatial patterns of bladder cancer, particularly in Kotour District, may improve our understating of risk factors for bladder cancer in the region. © 2009 Elsevier Ltd. All rights reserved.
Authors & Co-Authors
Fedewa, Stacey A.
United States, Ann Arbor
University of Michigan, Ann Arbor
Soliman, Amr S.
United States, Ann Arbor
University of Michigan, Ann Arbor
Ismail, Kadry
Egypt, Tanta
Gharbiah Cancer Society and Gharbiah Cancer Registry
Hablas, Ahmed
Egypt, Tanta
Gharbiah Cancer Society and Gharbiah Cancer Registry
Seifeldin, Ibrahim A.
Egypt, Tanta
Gharbiah Cancer Society and Gharbiah Cancer Registry
Ramadan, Mohammed
Egypt, Tanta
Gharbiah Cancer Society and Gharbiah Cancer Registry
Omar, Hoda G.
Egypt, Tanta
Gharbiah Cancer Society and Gharbiah Cancer Registry
Nriagu, Jerome Okon
United States, Ann Arbor
University of Michigan School of Public Health
Wilson, Mark Lee
United States, Ann Arbor
University of Michigan, Ann Arbor
Statistics
Citations: 96
Authors: 9
Affiliations: 3
Identifiers
Doi:
10.1016/j.canep.2009.08.008
ISSN:
18777821
Research Areas
Cancer
Environmental
Study Design
Cross Sectional Study
Cohort Study
Study Locations
Egypt
Participants Gender
Male
Female