Remove rectum polyp, can block the natural history, colorectal cancer incidence and mortality of 40 and 50 percent, respectively. This shows, remove rectum polyp prevention of colorectal cancer in.
1977-1980, researchers in haining twice for 30 years more than 23 million high-risk people colorectal 15cm colonoscopy screening (1 times more than 18 million people, and for the first 2 times more than 8 million by 4077 were), who have interest or colorectal adenoma. The man in 4077 execute polyps under colonoscopy, and to remove polyps with-out a regular bowel, currently has reached 24cm endoscopic check depth.
After 20 years of follow-up, haining colonoscopy screening crowd incidence of colorectal cancer in 20 to reduce cumulative 68.6% 82.4 with. Analysis shows that the crowd haining client within 20 years of practice for colorectal diseases, according to figures more than 50 cases of colorectal cancer incidence prediction model number reduces 229. Before this year will have colon haining 40-50 cases.
Colorectal cancer is one of the most common malignant tumor, incidence of a disease is rising trend. Statistics show that has accounted for colorectal cancer 2/3. Most colorectal adenomas from development, takes about 10 years to 15. Therefore, the early examination, early removal to prevent colon cancer polyp have important significance.