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Rectal Polyps

Rectal Polyps

Colonic polyps, also known as colorectal polyps, are growths that appear on the surface of the colon. The colon, or large intestine, is a long hollow tube at the bottom of the digestive tract. It’s where the body makes and stores stool.


In most cases, polyps don’t cause symptoms and are usually found on routine colon cancer screening exams. However, if you do experience symptoms, they may include:

  • blood in the stool or rectal bleeding.
  • pain, diarrhea, or constipation that lasts longer than one week.

Types of colonic polyps

Polyps in the colon can vary in size and number. There are three types of colon polyps:

  • Polyps in the colon can vary in size and number. There are three types of colon polyps:
  • Adenomatous polyps are the most common. Although most will never develop into cancer, they do have the potential to become colon cancer.
  • Malignant polyps are polyps that are noted under microscopic examination to have cancer cells in them.

Causes

Doctors don’t know the exact cause of colonic polyps, but polyps result from abnormal tissue growth.

The body periodically develops new healthy cells to replace old cells that are damaged or no longer needed. The growth and division of new cells is usually regulated.

In some cases, however, new cells grow and divide before they’re needed. This excess growth causes polyps to form. The polyps can develop in any area of the colon.

Who’s at risk for colonic polyps?

Although the specific cause of colonic polyps isn’t known, there are certain factors that can increase your risk of developing colonic polyps. These risk factors include:

  • being over age 50
  • being overweight
  • having a family history of polyps or colon cancer
  • having polyps in the past
  • having ovarian cancer or uterine cancer before age 50
  • having an inflammatory condition that affects the colon, such as Crohn’s disease or ulcerative colitis
  • having uncontrolled type 2 diabetes
  • having a hereditary disorder, such as Lynch syndrome or Gardner’s syndrome
  • Lifestyle behaviors that may contribute to the growth of colonic polyps include:

How can colonic polyps be prevented?

Maintaining a healthy diet can help prevent the development of colonic polyps. This includes eating more fruits, vegetables, whole grains, and lean meat.

You may also be able to prevent polyps by increasing your intake of vitamin D and calcium. Foods that are rich in vitamin D and calcium include:

  • broccoli,yogurt,milk,cheese,eggs,liver,fish

You can further lower your risk for colonic polyps by reducing your intake of high-fat foods, red meat, and processed foods. Quitting smoking and exercising regularly are also important steps to prevent the development of colonic polyps.

  • drinking alcohol frequently
  • having a sedentary lifestyle
  • eating a high-fat diet

You may be able to lower your risk for colonic polyps if you make lifestyle changes to address these behaviors. Regularly taking a low dose of aspirin and adding more calcium to your diet may also help prevent polyps. Your doctor may have other suggestions for reducing your risk.