What are the most common causes of rectal cancer

There are many kinds of intestinal diseases, and rectal cancer is one of them. Most people don't know how to cure rectal cancer. So, what are the most common causes of rectal cancer ? Next, let's learn about it from the following article.

1. The so-called Western diet, which is high in fat, protein and low in fiber, is considered to be a related factor of colorectal cancer. Western countries are high-incidence areas for colorectal cancer, and the incidence of colorectal cancer is high. In contrast, the Banti tribe in South Africa consumes low-fat and fiber-rich rough food, and the incidence of colorectal cancer is low. If these residents immigrate to areas with a high incidence of colorectal cancer, the dietary structure will change, and the incidence will increase accordingly. Because high-fat and high-protein foods can increase the amount of methylcholanthracene in feces, it can cause increased bile acid secretion, which is decomposed into unsaturated polyunsaturated hydrocarbons by anaerobic bacteria in the intestines. Both substances are carcinogens. This is one of the causes of colorectal cancer.

2. Adenoma canceration. Neoplastic polyps can become cancerous and are related factors for rectal cancer. Adenomas can be divided into three types: tubular adenomas, villous adenomas, and mixed adenomas. Tubular adenomas have a high incidence rate, and villous adenomas have a high rate of canceration. Therefore, this can also lead to the occurrence of rectal cancer.

3. Inflammatory bowel disease is also a factor in the etiology of rectal cancer. Ulcerative colitis and Crohn's disease are caused by the destruction of intestinal mucosa, the proliferation of ulcer repair, and the formation of granulation tissue, which leads to cancer. Schistosomiasis eggs are deposited in the rectal mucosa, and chronic inflammation stimulates the transformation of rectal cancer.

The above is a detailed description of the causes of rectal cancer. I hope it can help everyone understand the knowledge of rectal cancer and cure it in time. If you have other questions about rectal cancer, you can contact our online experts to answer your questions.