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. 2010 Sep 28;103(7):1085-8.
doi: 10.1038/sj.bjc.6605843. Epub 2010 Aug 10.

Prevalence and risk factors for esophageal squamous cell cancer and precursor lesions in Anyang, China: a population-based endoscopic survey

Affiliations

Prevalence and risk factors for esophageal squamous cell cancer and precursor lesions in Anyang, China: a population-based endoscopic survey

Z He et al. Br J Cancer. .

Abstract

Background: The etiology of esophageal squamous cell cancer (ESCC) in high prevalence regions of China remains unclear.

Methods: Endoscopic biopsies were conducted among 7381 inhabitants aged from 25 to 65 of Anyang, China.

Results: In this study, 2.57, 0.20 and 0.16% of the participants had mild, moderate and severe squamous dysplasia, respectively; 0.19 and 0.08% showed squamous carcinoma in situ and invasive ESCC. Using deep well (depth >100 meters) as water source (odds ratio=0.72, 95% confidence interval: 0.54-0.96) was negatively associated with ESCC and its precursors, whereas tobacco and alcohol use were not significantly associated with ESCC.

Conclusions: Water source and other factors in this region need further evaluation by longitudinal studies.

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Figures

Figure 1
Figure 1
(A) Detection rates of esophageal cancer and precursor lesions by age. (B) Detection rates of esophageal cancer and precursor lesions by gender.

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