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题目:: Microsatellite Instability Status of Interval Colorectal Cancers in a Korean Population.
作者:: Lee(Kil Woo),Park(Soo-Kyung),Yang(Hyo-Joon),Jung(Yoon Suk),Choi(Kyu Yong),Kim(Kyung Eun),Jung(Kyung Uk),Kim(Hyung Ook),Kim(Hungdai),Chun(Ho-Kyung),Park(Dong Il)
状态:: 发布时间2016-08-26 , 更新时间 2016-09-09
期刊:: Gut Liver
摘要:: A subset of patients may develop colorectal cancer after a colonoscopy that is negative for malignancy. These missed or de novo lesions are referred to as interval cancers. The aim of this study was to determine whether interval colon cancers are more likely to result from the loss of function of mismatch repair genes than sporadic cancers and to demonstrate microsatellite instability (MSI).,Interval cancer was defined as a cancer that was diagnosed within 5 years of a negative colonoscopy. Among the patients who underwent an operation for colorectal cancer from January 2013 to December 2014, archived cancer specimens were evaluated for MSI by sequencing microsatellite loci.,Of the 286 colon cancers diagnosed during the study period, 25 (8.7%) represented interval cancer. MSI was found in eight of the 25 patients (32%) that presented interval cancers compared with 22 of the 261 patients (8.4%) that presented sporadic cancers (p=0.002). In the multivariable logistic regression model, MSI was associated with interval cancer (OR, 3.91; 95% confidence interval, 1.38 to 11.05).,Interval cancers were approximately four times more likely to show high MSI than sporadic cancers. Our findings indicate that certain interval cancers may occur because of distinct biological features.
语言:: eng
DOI:

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