Korean J Gastrointest Endosc > Volume 41(4); 2010 > Article
Korean Journal of Gastrointestinal Endoscopy 2010;41(4): 201-207.
건강검진 수진자에서 비알코올 지방간 질환과 대장 선종과의 연관성에 관한 연구
분당제생병원 소화기내과, *성균관대학교 의과대학 서울삼성병원 내과학교실, 중앙대학교 의과대학 내과학교실
Associations between Nonalcoholic Fatty Liver Disease and Colorectal Adenoma in Health Screen Examinees
Won Gyu Choi, M.D., Sang-Jung Kim, M.D., Seok Jin Myung, M.D., Seung Oh Choi, M.D., Jung Hee Kim, M.D., Sang Woon Park, M.D., Sang Jong Park, M.D., Eun Jeong Jang, M.D., Ju Sang Park, M.D., Hyun W. Baik, M.D., Eun Ran Kim, M.D.* and Beom Jin Kim, M.D.
Department of Internal Medicine, Bundang Jesaeng Hospital, Daejin Medical Center, Seongnam, *Samsung Medical Center, Sungkyunkwan University School of Medicine, Chung-Ang University College of Medicine, Seoul, Korea

Nonalcoholic fatty liver disease (NAFLD) and colorectal cancer share several risk factors. However the relationship between NAFLD and colorectal adenoma is unclear. Therefore, we investigated the possibility of an association between NAFLD and colorectal adenoma.
We reviewed the records of 3,106 subjects who had undergone colonoscopy and abdominal ultrasonography between April 2007 and August 2009.
The sex ratio (male/female) was 4.94:1 and the mean age was 50.6±9.7 years in patients with colorectal adenoma; the corresponding numbers were 2.23: 1 and 45.0±9.2 years in patients without colorectal adenoma (p<0.001). The prevalence of NAFLD was 26.0% in the adenoma group and 21.4% in the control group (p=0.013). Additionally, there were positive associations between colorectal adenoma and BMI and lipid profile. Among the risk factors selected by univariate analysis, older age (OR 2.592; 95% CI 2.087∼3.219), and being male (OR 2.470; 95% CI 1.878∼3.247) were independent risk factors for colorectal adenoma. Patients with NAFLD had more colorectal adenomas (p=0.005) and their adenomas were located more in the proximal colon (p=0.009).
NAFLD is not associated with increased risk for colorectal adenoma. However, among patients with NAFLD, colorectal adenomas were likely to be increased in number and they were likely to be located in the proximal colon. (Korean J Gastrointest Endosc 2010;41:201-207)
Key Words: Colorectal adenoma, Nonalcoholic fatty liver disease
주요어: 대장 선종, 비알코올 지방간 질환
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