Tobacco Smoking and Colorectal Hyperplastic and Adenomatous Polyps
نویسندگان
چکیده
منابع مشابه
Tobacco smoking and colorectal hyperplastic and adenomatous polyps.
Colorectal adenomas and possibly some hyperplastic polyps are precursors of colorectal cancer. Tobacco use is associated in epidemiologic studies with these polyps, although links between smoking and colorectal cancer are less consistent. To characterize the role of tobacco in early colorectal carcinogenesis, we compared tobacco use among 4,383 subjects with histologically verified benign (hype...
متن کاملColorectal adenomatous and hyperplastic polyps: smoking and N-acetyltransferase 2 polymorphisms.
Arylamine N-acetyltransferase 2 (NAT2) is involved in both the detoxification and bioactivation of carcinogenic arylamines and other mutagens. This enzyme is polymorphic, and the fast and slow phenotypes are thought to be risk factors for colon and bladder cancer, respectively. Here, we report on a case-control study of adenomatous and hyperplastic polyps, with particular attention to tobacco s...
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The authors evaluated alcohol drinking and cigarette smoking in relation to risk of colorectal polyps in a Nashville, Tennessee, colonoscopy-based case-control study. In 2003-2005, cases with adenomatous polyps only (n = 639), hyperplastic polyps only (n = 294), and both types of polyps (n = 235) were compared with 1,773 polyp-free controls. Unordered polytomous logistic regression was used to ...
متن کاملFasting Hyperglycemia and Insulin Resistance in Colorectal Adenomatous Polyps
OBJECTIVES: To investigate fasting glucose, glucose tolerance, insulin resistance and insulin–like growth factor 1 in patients with or without colorectal polyps. MATERIALS AND METHODS: In this cross-sectional study, we evaluated fasting glucose, insulin, insulin–like growth factor 1 (IGF-1), lipid profile and glucose tolerance test in 103 patients undergoing colonoscopy (52 normal and 53 wit...
متن کاملSmoking, folate and methylenetetrahydrofolate reductase status as interactive determinants of adenomatous and hyperplastic polyps of colorectum.
Most studies demonstrate increased risk of colorectal cancer (CRC) and adenomas in folate-deficient subjects or that high folate intake may afford some protection. Smoking increases such risk in some but not all studies. We investigated whether smoking, folate status and methylenetetrahydrofolate reductase (MTHFR) genotype predict the risk of adenomatous and hyperplastic polyps of colorectum. B...
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ژورنال
عنوان ژورنال: Cancer Epidemiology Biomarkers & Prevention
سال: 2006
ISSN: 1055-9965,1538-7755
DOI: 10.1158/1055-9965.epi-05-0883