A colorectal polyp is a growth that sticks out of the lining of the colon or rectum.
Intestinal polyps; Polyps - colorectal; Adenomatous polyps; Hyperplastic polyps; Villous adenomas
Causes, incidence, and risk factors
Polyps of the colon and rectum are usually
Over time, certain types of polyps, called adenomatous polyps, may develop into colon cancer. Another common type of polyp found in the colon is called a hyperplastic polyp, which usually does not develop into colon cancer.
Polyps bigger than 1 centimeter have a greater cancer risk than polyps under 1 centimeter. Risk factors include:
- Family history of colon cancer or polyps
- A type of polyp called villous adenoma
Polyps may also be associated with some inherited disorders, including:
- Familial adenomatous polyposis
- Gardner syndrome
- Juvenile polyposis
- Lynch syndrome (HNPCC)