Intestinal tumor
- Occurs in the small intestine and
- Early surgical removal of the tumor is a treatment
- 1. Age of onset. Most patients develop disease after age 50.
2. Family history: If someone's first-degree relatives, such as parents, have had a colorectal tumor, he is 8 times more likely to develop the disease in his lifetime than the general population. About a quarter of newly diagnosed people have a family history of colorectal tumors.
3. History of colon diseases: Certain colon diseases such as Crohn's disease or ulcerative colitis may increase the incidence of colorectal tumors. Their colon tumors are 30 times more dangerous than ordinary people.
4. Polyps: Most colorectal tumors develop from small precancerous lesions. They are called polyps. Among them, villous adenoma-like polyps are more likely to develop into cancer, and the chance of malignancy becoming about 25%; tubular adenoma-like polyps have a malignant rate of 1-5%.
5. Genetic characteristics: Some familial tumor syndromes, such as hereditary nonpolyposis colon tumors, can significantly increase the incidence of colorectal tumors. And the onset time is younger.
