The causes of various colorectal cancers stimulate the colorectal mucosa for a long time

Although many people are not very clear about the exact causes of colorectal cancer, clinically, discovering the following causes of colorectal cancer can avoid the harm of colorectal cancer. What are the common causes of colorectal cancer? The following is a detailed introduction by experts.

1. History of inflammatory bowel disease: Certain bowel diseases such as Crohn's disease or ulcerative colitis may increase the risk of colorectal cancer . Their risk of colon cancer is 30 times that of ordinary people;

2. History of colorectal polyps: Most colorectal cancers are caused by small precancerous lesions, which are called polyps. Among them, villous adenomatous polyps are more likely to develop into cancer, with a malignant chance of about 25%; the malignant rate of tubular adenomatous polyps is 1-5%;

3. Age: As age increases, the time that various pathogenic factors stimulate the colon mucosa also increases. Most patients develop the disease after the age of 50.

4. Family history: If a person's first-degree family member, such as a parent, has had colorectal cancer, his risk of developing the disease in his lifetime is 8 times higher than that of the general population, or if two or more people in his paternal or maternal family have had colorectal cancer, then you have a family history of colorectal cancer;

About 1/4 of new patients have a family history of colorectal cancer. The above is a detailed introduction of the causes of colorectal cancer by experts. If you still have any questions about the causes of colorectal cancer, please consult our online experts. I wish you a speedy recovery.