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How often should you get a FOBT (Guaiac-Based Fecal Occult Blood Test) to check for polyps?

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If this is the screening test you use to check for colon cancer, the American Cancer Society says you should get one every year. If an FOBT picks up signs of blood, you may need to get a colonoscopy or other tests to find out what's going on.

From: How to Find Colon Polyps Early WebMD Medical Reference

SOURCES:

American Cancer Society: "American Cancer Society recommendations for colorectal cancer early detection," "Frequently Asked Questions About Colonoscopy and Sigmoidoscopy," "Stool DNA Testing for Colon Cancer," "Colorectal cancer screening tests."

American College of Gastroenterology: "Colon Polyps."

American Society of Clinical Oncology: "Fecal Occult Blood Tests."

CDC: "Colorectal Cancer Screening Tests."

Colorectal Cancer Association of Canada: "Introduction to Fecal Occult Blood Tests."

Massachusetts General Hospital: "Double-Contrast Barium Enema (DCBE)."

National Cancer Institute: "Tests to Detect Colorectal Cancer and Polyps."

National Institute of Diabetes and Digestive and Kidney Diseases: "Colonoscopy."

U.S. Preventive Services Task Force: "Final Recommendation Statement. Colorectal Cancer: Screening."

Mayo Clinic: "Fecal occult blood test."

Reviewed by Laura J. Martin on July 10, 2018

SOURCES:

American Cancer Society: "American Cancer Society recommendations for colorectal cancer early detection," "Frequently Asked Questions About Colonoscopy and Sigmoidoscopy," "Stool DNA Testing for Colon Cancer," "Colorectal cancer screening tests."

American College of Gastroenterology: "Colon Polyps."

American Society of Clinical Oncology: "Fecal Occult Blood Tests."

CDC: "Colorectal Cancer Screening Tests."

Colorectal Cancer Association of Canada: "Introduction to Fecal Occult Blood Tests."

Massachusetts General Hospital: "Double-Contrast Barium Enema (DCBE)."

National Cancer Institute: "Tests to Detect Colorectal Cancer and Polyps."

National Institute of Diabetes and Digestive and Kidney Diseases: "Colonoscopy."

U.S. Preventive Services Task Force: "Final Recommendation Statement. Colorectal Cancer: Screening."

Mayo Clinic: "Fecal occult blood test."

Reviewed by Laura J. Martin on July 10, 2018

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