A survey of colorectal cancer among asymptomatic population in Songjiang district of Shanghai
10.3760/cma.j.issn.1007-5232.2009.01.010
- VernacularTitle:上海松江区结直肠癌普查研究的初步结果
- Author:
Xiaoying ZHU
;
Bo SUN
;
Xiongwei DONG
;
Jiang HUANG
;
Xiaojuan YANG
;
Siyun SUN
;
Meiying ZHU
- Publication Type:Journal Article
- Keywords:
Colorectal neplasms;
Mass screening;
Occult blood;
Colonoscopy
- From:
Chinese Journal of Digestive Endoscopy
2009;26(1):32-34
- CountryChina
- Language:Chinese
-
Abstract:
Objective To evaluate the feasibility of fecal occult blood test(FOBT).combined with colonoseopy,in screening of colorectal cancer.Methods From September 2006 to May 2007.healthv volunteers without any colorectal cancer(CRC)related symptoms in Songjiang District of Shanghai,aging from 40 to 49 or older than 50 years,were recruited.The subjects were firstly screened by FOBT with immunohistochemieal method in two of three consecutive stool samples,and colonoscopy was performed in those with positive FOBT in any of the stool samples.The number.type and distribution of detected polyps were recorded.Results Of 2692 subjects over 50 years old,FOBT was positive in 184(6.8%).in which 1 rectal cancer and 64 polyps,including 34 adenomatous polyps,15 inflammatory polyps and 15 hyperplastic polyps.Of 582 subjects aging from 40 to 49 years,FOBT was positive in 28(4.8%),in which 2 adenocarcinoma and 6 polyps,including 1 adenomatous polyp.Most polyps,including adenomatous polyp and high-risk polyp,were mainly found on the left side of colon.Conclusion CRC screening with FOBT and colonoscopy in asymptomatic average-risk people could detect colon polyps at an early stage.Colonoscopy in patients with positive FOBT would be suitable in large scale CRC screening in communities and rural areas.
