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。
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.
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。
The urban community residents are the key in carrying out preventing and controlling work of colorectal cancer screening in China.
为探讨临床内镜筛查及切除息肉病理检查在早期大肠癌诊断中的价值，总结分析了北医大三院1978年至1996年9月所有大肠镜检查的资料。
To investigate the role of clinical screening colonoscopy and colonoscopic polypectomy with pathology in diagnosis of early colon cancer, the colonoscopic records from 1978 to Sept. 1996 were studied.
目的：筛查大肠癌分化相关分子标志物。
Objective: To identify molecular markers correlated with the differentiation of CRC.
目的：筛查大肠癌分化相关分子标志物。
Objective: To identify molecular markers correlated with the differentiation of CRC.
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