top of page

Colon Cancer Detection in Canada: Promoting Colonoscopy Screening for Early Detection during Cancer

April is Cancer Awareness Month in Canada, and as primary care practitioners, it's crucial to promote early detection of colon cancer through effective screening methods. While fecal occult blood testing (FOBT) and fecal immunochemical testing (FIT) are commonly used for colon cancer screening, colonoscopy is considered the gold standard for detecting colon cancer and its precancerous polyps. In this blog post, we will discuss why colonoscopy is an essential screening tool for colon cancer detection in Canada, and provide you with the necessary information to educate and guide your patients towards this effective screening method.

Why Choose Colonoscopy for Colon Cancer Screening?

Colonoscopy is a highly effective screening method for colon cancer because it allows for direct visualization of the entire colon and rectum using a flexible tube with a light and camera. During a colonoscopy, a gastroenterologist can not only detect colon cancer but also identify and remove precancerous polyps before they have a chance to develop into cancer. This makes colonoscopy a powerful tool for both early detection and prevention of colon cancer.

According to the Canadian Association of Gastroenterology, colonoscopy has been shown to significantly reduce the risk of developing colon cancer by up to 65% through the removal of precancerous polyps. It is recommended that average-risk adults start screening with colonoscopy at age 50, and repeat the procedure every 10 years if no polyps are found. High-risk individuals, such as those with a family history of colon cancer or inflammatory bowel disease, may require earlier or more frequent screening. Benefits of Colonoscopy for Primary Care Practitioners As a primary care practitioner, recommending colonoscopy for colon cancer screening has several benefits. Firstly, colonoscopy allows for a comprehensive examination of the entire colon, which increases the chances of detecting colon cancer and precancerous polyps accurately. Secondly, if polyps are found during a colonoscopy, they can be removed during the same procedure, effectively preventing the development of colon cancer. Lastly, colonoscopy provides an opportunity for patients to establish a relationship with a gastroenterologist, who can provide ongoing surveillance and management for patients at increased risk of colon cancer. Educating Patients about Colonoscopy Screening As primary care practitioners, you play a pivotal role in educating your patients about the importance of colonoscopy screening. Here are some key points to convey to your patients:

  1. Colonoscopy is the gold standard for colon cancer screening: Explain to your patients that colonoscopy allows for direct visualization of the colon and rectum, and the removal of precancerous polyps, making it a highly effective screening method for colon cancer.

  2. Early detection and prevention: Emphasize that colonoscopy can detect colon cancer in its early stages when it is most treatable, and prevent the development of colon cancer by removing precancerous polyps during the same procedure.

  3. Recommended screening guidelines: Inform your patients about the recommended screening guidelines for colonoscopy, which include starting at age 50 for average-risk individuals, and earlier or more frequent screening for high-risk individuals based on family history or other risk factors.

  4. Risks and benefits: Discuss the risks and benefits of colonoscopy with your patients, including the potential for complications such as bleeding or perforation, and the importance of following the recommended bowel preparation instructions for a successful procedure.

  5. Comfort and privacy: Address any concerns your patients may have about the discomfort or embarrassment associated with colonoscopy, and reassure them that the procedure is typically well-tolerated, and performed in a private and professional setting.

Conclusion In conclusion, early detection of colon cancer is crucial for better treatment outcomes, and colonoscopy is the preferred method for colon cancer screening in Canada due to its accuracy and effectiveness in detecting and preventing the development of precancerous polyps. As primary care practitioners, it's important to educate our patients about the benefits of colonoscopy screening, provide them with clear instructions for preparation, and emphasize the importance of adhering to recommended screening intervals for early detection and prevention of colon cancer.

Remember, April is Cancer Awareness Month, and it's a great opportunity to raise awareness about colon cancer and promote colonoscopy screening among your patients. By encouraging regular colonoscopy screenings, we can help detect colon cancer early, potentially saving lives.


  1. Canadian Association of Gastroenterology. (2018). Canadian Association of Gastroenterology Policy on Colorectal Cancer Screening. Canadian Journal of Gastroenterology and Hepatology, 2018, 1-14. doi:10.1155/2018/6482409

  2. Canadian Cancer Society. (2021). Colorectal Cancer. Retrieved from

  3. HealthLink BC. (2020). Colon Cancer Screening with Colonoscopy. Retrieved from

  4. Canadian Digestive Health Foundation. (2019). Get the Inside Story: A Guide to Colonoscopy. Retrieved from

100 views0 comments


bottom of page