Contents
Colonoscopy: The Gold Standard for Colorectal Cancer Detection
Published: Jul 16, 2024
Colonoscopy is the most effective tool for detecting and preventing colorectal cancer. This powerful screening test allows doctors to examine the entire colon and remove precancerous growths.
What Happens During a Colonoscopy?
During a colonoscopy, a long, flexible tube with a tiny camera is inserted through the rectum to examine the entire colon. The procedure typically takes 30-60 minutes and is done under sedation for comfort. The doctor can see the lining of the colon in detail, looking for any abnormal growths or areas of concern. If polyps are found, they can often be removed during the same procedure.
Preparing for the Procedure
Proper preparation is crucial for a successful colonoscopy. This involves clearing the colon completely so the doctor can see the entire lining clearly. Patients follow a special diet for 1-2 days before the procedure and drink a strong laxative solution to empty the bowels. While the prep can be uncomfortable, it's essential for an accurate exam.
Benefits and Risks
Colonoscopy is highly effective at detecting colorectal cancer and precancerous polyps. It can prevent cancer by removing polyps before they become cancerous. The procedure is generally safe, but there are small risks of bleeding, infection, or perforation of the colon. The benefits of early detection and prevention usually far outweigh the risks for most people.
After the Procedure
After a colonoscopy, patients are monitored briefly as the sedation wears off. Most people can go home the same day but will need someone to drive them. It's normal to feel bloated or gassy for a few hours afterward. Results are usually available quickly, and the doctor will discuss any findings and recommend when to have the next screening.
Frequently Asked Questions
For average risk, every 10 years starting at age 45.
Most patients feel little to no discomfort due to sedation.
Yes, but colonoscopy is the most thorough and effective screening method.
Most polyps can be removed during the colonoscopy.
It can detect over 95% of significant colorectal tumors.
A Lifesaving Tool
While the idea of a colonoscopy may seem daunting, this powerful screening tool saves countless lives through early detection and prevention of colorectal cancer.
References
- American Cancer Society. Colorectal Cancer Screening Tests. cancer.org
- National Institute of Diabetes and Digestive and Kidney Diseases. Colonoscopy. niddk.nih.gov
- U.S. Preventive Services Task Force. Colorectal Cancer: Screening. uspreventiveservicestaskforce.org
This article has been reviewed for accuracy by one of the licensed medical doctors working for Doctronic. Always discuss health information with your healthcare provider.
AI Doctor Visit Required
Appointments available 24/7
Top licensed doctors
Available in all 50 states
Full service care
Prescriptions, referrals & treatment
No insurance needed
All notes available in Doctronic
15-min consultation. No hidden costs.
AI Doctor Visit Required
Please Chat With Our AI Doctor First
Our AI doctor assessment helps our human doctors prepare for your video visit and provide better care
For safety reasons we have been forced to end this consultation.
If you believe this is a medical emergency please call 911 or your local emergency services immediately.
If you are experiencing emotional distress, please call the the Suicide & Crisis Lifeline at 988 or your local crisis services immediately.
Contact us
You can also email us at help@doctronic.ai
We aim to reply within 5-7 days
How likely are you to recommend Doctronic to friends or family?