Appendiceal cancer

　　1. Dietary factors:It is generally believed that a diet high in animal protein, high in fat, and low in fiber is a factor in the high incidence of colorectal cancer. People have found that in areas with a high incidence of appendiceal cancer in Western Europe and the United States, with the increase in intake of high-cholesterol foods such as fat and protein in the diet, the number of people with appendiceal cancer also increases accordingly. In addition, by observing the disease incidence in specific populations such as immigrants, it has further been confirmed that high-fat, high-protein diets are one of the causes of appendiceal cancer.

　　2. Parasitic diseases:Chinese data show that some advanced schistosomiasis also leads to appendiceal cancer. It is generally believed that the long-term sedimentation of schistosome eggs on the large intestine mucosa can cause recurrent ulcers, repair, and chronic inflammation, leading to adenomatous hyperplasia, and canceration can occur on this basis.

　　3. Genetic factors:Families with a history of appendiceal cancer have a risk of developing appendiceal cancer 2-6 times higher than the general population. Several genes and hereditary diseases cause great harm to colorectal cancer: familial polyposis, Turcot syndrome, Gardner syndrome, juvenile polyposis, Cowden's disease, neurofibromatosis. Therefore, this is also the cause of appendiceal cancer.

　　Early Symptoms of Colon Cancer:There is a painless, firm lump on the rectal mucosa or skin, without obvious symptoms. After the symptoms of rectal cancer appear, changes in defecation habits can occur, the early symptoms of colon cancer are more frequent defecation, frequent desire to defecate, but no feces are excreted; or constipation, with inner discomfort or a feeling of descent. The stool is bloody, with bright red or dark red blood, not much, often accompanied by mucus, often misdiagnosed as hemorrhoids. Colon cancer rarely causes intestinal obstruction.

　　The main examination methods include colonoscopy, barium enema double contrast examination, etc. Colonoscopy is an invasive examination method that can directly take the lesion tissue for biopsy, but sometimes due to various reasons, the probe cannot be deeply inserted into the cecum and cannot be diagnosed; barium enema double contrast examination is a traditional method of examining colon lesions, which has strict requirements for the cleanliness of the colon, requires a more complicated intestinal preparation, brings a lot of inconvenience to the examination, and sometimes the feces in the cecum are difficult to be completely expelled, which may cause certain difficulties in diagnosis.

　　Since the symptoms of colon cancer and hemorrhoids are very similar, it is often the case that there is blood on the toilet paper after defecation. At this time, pay special attention and go to the hospital for a check-up, because many people have hemorrhoid problems, and the symptoms of hemorrhoids are very similar. Therefore, if you go to the hospital at this time, a rectal examination by the doctor or a simple rectal scope is very valuable for the diagnosis of rectal cancer. In addition, sometimes for severe patients, there may be a symptom of constipation or the change of defecation habits, including the defecation can become thin, and other changes such as the change of defecation habits, such as originally once a day defecation, later for no reason become several times a day or several days defecation, at this time you should be cautious and alert to the possibility of rectal cancer.