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Colorectal neoplasm in asymptomatic average-Risk Koreans: The KASID prospective multicenter colonoscopy survey

Title
Colorectal neoplasm in asymptomatic average-Risk Koreans: The KASID prospective multicenter colonoscopy survey
Authors
Park H.-W.Byeon J.-S.Yang S.-K.Kim H.S.Kim W.H.Tae II K.Park II D.Kim Y.-H.Kim H.J.Lee M.S.Chung II K.Jung S.-A.Jeen Y.T.Choi J.H.Choi H.Choi K.Y.Han D.S.Song J.S.
Ewha Authors
정성애
SCOPUS Author ID
정성애scopus
Issue Date
2009
Journal Title
Gut and Liver
ISSN
1976-2283JCR Link
Citation
vol. 3, no. 1, pp. 35 - 40
Indexed
SCIE; SCOPUS; KCI WOS scopus
Abstract
Background/Aims: The incidence of colorectal cancer is increasing in Korea, but the epidemiology of colorectal neoplasm is not clearly defined. We aimed to elucidate the prevalence of colorectal neoplasm in average-risk Koreans and explore the underlying risk factors. Methods: A large-scale, multicenter, prospective study was conducted. Of the 19,460 subjects who underwent colonoscopy at 11 university hospitals, we analyzed 3,951 consecutive asymptomatic adults with no risk factors for colorectal cancer. Results: The subjects were aged 52.1±11.6 years (mean±SD) and 60.1% of them were men. The prevalences of colorectal neoplasm and advanced neoplasm were 33.3% and 2.2%, respectively. The prevalence of a neoplasm increased with age (trend: p<0.001) and was higher in males (p<0.001). The prevalence of a proximal neoplasm was higher in subjects with a distal neoplasm than in those without a distal neoplasm (11.9% vs. 5.4%, p<0.001). However, 150 (52.1%) of the 288 subjects with a proximal neoplasm had no distal neoplasm. Conclusions: The overall prevalence of colorectal neoplasm in asymptomatic average-risk Koreans is comparable with that in Western countries. Being male and older are associated with a higher risk of colorectal neoplasm. Over half of proximal neoplasms are not associated with any distal sentinel lesions. (Gut and Liver 2009;3:35-40).
DOI
10.5009/gnl.2009.3.1.35
Appears in Collections:
의학전문대학원 > 의학과 > Journal papers
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