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首页> 外文期刊>Current opinion in gastroenterology >Colon cancer screening and surveillance controversies.
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Colon cancer screening and surveillance controversies.

机译：结肠癌筛查和监测争议。

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PURPOSE OF REVIEW: To discuss new colorectal cancer screening tests and highlight controversies regarding colon screening and surveillance. RECENT FINDINGS: New screening guidelines were published in 2008. Tests that primarily detect early cancer include sensitive guaiac fecal occult blood test or fecal immunochemical test. Tests that can detect both early cancer and cancer precursor lesions include sigmoidoscopy and colonoscopy. One guideline endorses the use of computed tomographic colonography. Limitations of each test are highlighted in the new guidelines. Controversies include age to start screening, age to stop screening, and appropriate interval after a negative screening colonoscopy. New work has raised some doubt about the protective effect of colonoscopy in the proximal colon. Finally, there is new emphasis on the quality of screening programs. SUMMARY: Colorectal cancer screening can reduce both incidence and mortality of colorectal cancer if performed with high quality. New work should focus on improving the quality of all screening programs.
机译：审查目的：讨论新的结肠直肠癌筛查试验，并强调有关结肠筛查和监测的争议。最新发现：新的筛查指南于2008年发布。主要检测早期癌症的测试包括敏感的愈创木脂粪潜血试验或粪便免疫化学试验。可以同时检测早期癌症和癌前体病变的测试包括乙状结肠镜检查和结肠镜检查。一项准则支持使用计算机断层摄影结肠摄影。新准则中突出显示了每个测试的局限性。争议包括开始筛查的年龄，停止筛查的年龄以及结肠镜检查阴性后的适当间隔。新的工作引起了对结肠镜检查对近端结肠的保护作用的怀疑。最后，新的重点是筛选程序的质量。摘要：如果进行高质量的大肠癌筛查可以降低大肠癌的发病率和死亡率。新工作应着重于提高所有筛查程序的质量。

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