The urban community residents are the key in carrying out preventing and controlling work of colorectal cancer screening in China.
城市社区居民是我国大肠癌防治的重点人群，开展城市居民的大肠癌筛查是我国大肠癌预防控制的重要内容。
BACKGROUND: Guaiac-based fecal occult blood tests (FOBTs) for colorectal cancer screening are not specific for human hemoglobin and have low sensitivity.
背景：以愈创木脂为试剂的粪便潜血实验（FOBTs）用于结直肠癌的筛查中，不仅对人血红蛋白特异性不高而且敏感性也很低。
ASGE screening guidelines recommend that, beginning at age 50, asymptomatic men and women at average risk for developing colorectal cancer should begin colorectal cancer screening.
ASGE筛查指南推荐，刚年满50岁、有发生结直肠癌一般风险的无症状性男性和女性，应该开始结直肠癌筛查。
BACKGROUND. To the authors' knowledge, few population-based studies to date have considered the serial use of colorectal cancer screening tests, which are usually recommended at specific intervals.
据作者所知，现在很少有以人群为基础的关于结直肠癌扫描试验连续应用的研究，而在特殊的时期，这个是被推荐的。
Finally, the team found 24 more people with breast cancer and 24 with colorectal cancer, and looked at their tumours for the mutant genes that had got through the screening.
最后，研究小组又分别检查24名患乳腺癌和直肠癌的患者，在这些患者的肿瘤中寻找通过层层筛选所得知的突变基因。
It usually takes around 10-15 years for abnormal cells to grow into colorectal tumors. With regular screening, polyps can be removed before they develop into cancer.
这些异常细胞通常要经过10—15年时间才会变成结肠癌。只要定期筛查，息肉完全可以在它们变成结肠癌之前被移除。
Background and Objectives: Detection of colorectal exfoliated epithelial cells and their nuclear DNA content may provide another non-invasive way of screening and early diagnosis of colorectal cancer.
背景及目的：粪便中脱落细胞及其核d NA含量的检测有可能成为大肠癌筛查及早期诊断的无创途径。
In recent years, some progress has been made to detect and treat colorectal cancer earlier through screening and early removal of polyps.
近年来，通过检查及早期去除息肉，在及早检测和治疗直肠结肠癌方面取得了一些进步。
Routine screening for colorectal cancer starts at 50 for people at average risk; screening may start earlier for high-risk patients.
普通人群的结直肠癌的例行检查室50岁左右，如果是高危人群则可能会提前一些。
Another encouraging sign is a drop in colorectal cancer deaths due to better and more widespread screening.
另外一个令人鼓舞的是大肠癌死亡率的下降，这与更好的治疗和更广泛的检查分不开。
Who should be offered standard screening for colorectal cancer, and at what age should screening begin?
哪些人应作结直肠癌标准筛检，在什么年龄应再次筛检？
Identifying specific SNP is of great importance for the screening of high-risk population and risk evaluation of colorectal cancer.
进一步寻找大肠癌特异性SNP，对筛选大肠癌高危人群，预估发病风险，具有重要意义。
To evaluate the possibility of methylation analysis of secreted frizzled-related protein gene 2(SFRP2)in feces for screening early colorectal cancer (CRC).
目的探讨人粪便中分泌型卷曲相关蛋白2（SFRP2）基因甲基化分析用于结直肠癌（CRC）早期诊断的可行性。
Task Force leaders stress the evidence on the merits of screening but urge caution on taking preventive medicine for colorectal cancer.
工作小组组长强调检查的优点但是极力坚持使用药物预防直肠结肠癌要谨慎。
Said method can be used for early diagnosis, screening, therapeutic follow-up and prognosis, as well as for relapse diagnosis in relation to colorectal cancer.
所述方法可用于结肠直肠癌的早期诊断、筛选、治疗随诊以及预后，以及用于结肠直肠癌的复发诊断。
For instance, from 1975 to 2000, colorectal cancer incidence fell 22 percent, half due to changes in risk factors such as smoking, and half due to screening, the researchers said.
例如从1975年到2000年，结直肠癌发病率下降了22%，一半是因为改变了危险因素像吸烟，一半是因为早期筛查，研究人员说。
The high rate of accuracy coupled with the low necessity for subsequent optical colonoscopy show virtual colonoscopy to be an attractive screening tool for colorectal cancer.
高度的准确性加上以后低的光学结肠镜检查的需要显示了虚拟结肠镜是结直肠癌具有吸引力的检查工具。
This is the first randomized controlled trial (RCT) to test the effectiveness of any form of endoscopic screening to reduce mortality from colorectal cancer (CRC).
这是首项研究不同内镜检查对于减少结直肠癌(CRC)死亡率有效性的随机对照试验(rct)。
This is the first randomized controlled trial (RCT) to test the effectiveness of any form of endoscopic screening to reduce mortality from colorectal cancer (CRC).
这是首项研究不同内镜检查对于减少结直肠癌(CRC)死亡率有效性的随机对照试验(rct)。
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