Colorectal Neoplasm in Asymptomatic Average-risk Koreans: The KASID Prospective Multicenter Colonoscopy Survey
- Authors
- Park, Hye-Won; Byeon, Jeong-Sik; Yang, Suk-Kyun; Kim, Hyun Soo; Kim, Won Ho; Kim, Tae Il; Park, Dong Il; Kim, Young-Ho; Kim, Hyo Jong; Lee, Moon Sung; Chung, Il-Kwon; Jung, Sung-Ae; Jeen, Yoon Tae; Choi, Jai Hyun; Choi, Hwang; Choi, Kyu Yong; Han, Dong Soo; Song, Jae Suk
- Issue Date
- Mar-2009
- Publisher
- EDITORIAL OFFICE GUT & LIVER
- Keywords
- Prevalence; Colonoscopy; Colorectal neoplasms; Korea; Mass screening
- Citation
- GUT AND LIVER, v.3, no.1, pp.35 - 40
- Indexed
- SCIE
SCOPUS
KCI
OTHER
- Journal Title
- GUT AND LIVER
- Volume
- 3
- Number
- 1
- Start Page
- 35
- End Page
- 40
- URI
- https://scholar.korea.ac.kr/handle/2021.sw.korea/120500
- DOI
- 10.5009/gnl.2009.3.1.35
- ISSN
- 1976-2283
- 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)
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