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Survival outcome associated with the screening interval for gastric cancer in Korea

 Lee H.  ;  Min B.-H.  ;  Rhee P.-L.  ;  Kim S.  ;  Rhee J.C.  ;  Kim J.J.  ;  Son H.J.  ;  Lee J.H. 
 Digestion, Vol.84(2) : 142-148, 2011 
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BACKGROUND/AIMS: Early gastric cancer (EGC) can be treated by endoscopic resection, which results in an excellent prognosis. Optimal screening intervals considering risk factors for gastric cancer have not been established. The aim of this study was to determine the maximum gastric cancer screening interval in terms of long-term survival. METHODS: Curative resection was performed in 561 patients with gastric cancer who had completed a questionnaire on their previous history of screening tests and risk factors. The association between EGC detection rate and previous screening history was evaluated, and 5-year disease-free survival rates were compared between various screening intervals. RESULTS: Multivariate analysis showed that intestinal metaplasia [hazard ratio (HR) 9.690, 95% confidence interval (CI) 5.896-15.927] and previous screening history (HR 0.077, 95% CI 0.048-0.125) were independent factors associated with advanced gastric cancer. In patients without intestinal metaplasia, there was no significant difference in the extent of gastric cancer progression and the 5-year disease-free survival rate between groups with screening intervals of less than 3 years. In patients with intestinal metaplasia, the cutoff screening interval for detection of EGC and disease-free survival was 2 years. CONCLUSION: The optimum screening interval for disease-free survival for gastric cancer in a normal population is 3 years, but a screening interval of 2 years should be used for patients with intestinal metaplasia in Korea.
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1. Journal Papers (연구논문) > 1. College of Medicine (의과대학) > Dept. of Internal Medicine (내과학교실)
Yonsei Authors
이혁(Lee, Hyuk)
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