Can Screening Really Prevent Colorectal Cancer?
Can Screening Really Prevent Colorectal Cancer?
What's This About?
Screening for colorectal cancer is a key preventive measure that can both detect the disease early and stop it before it starts.
Contents
How Screening Works
Screening involves various tests that can spot early signs of colorectal cancer or even prevent it by finding and removing precancerous polyps. Some common screening methods include colonoscopy, fecal occult blood tests, and CT colonography. These tests help identify potential issues before they develop into cancer.
Different Tests for Different Folks
The best screening test is one that you're able to do. Colonoscopies are thorough but not always available or feasible for everyone, so alternatives like fecal immunochemical tests (FIT) or multitarget stool DNA tests can be used. Each test has its pros and cons, but all aim to catch problems early.
Weighing the Risks and Benefits
While screening has clear benefits, it's not without risks. Procedures like colonoscopy carry a small risk of complications, such as perforation. However, the benefits of early detection and prevention often outweigh these risks, especially as the tests become more refined and accessible.
FAQs
Can screening prevent cancer?
Yes, by removing precancerous polyps before they turn into cancer.
What are common screening tests?
Colonoscopy, fecal occult blood tests, and CT colonography.
Are there risks to screening?
Yes, procedures like colonoscopy can have complications.
What's the best screening test?
The best test is the one you can complete according to instructions.
The Bottom Line
Screening can be a powerful tool in preventing colorectal cancer, but the right test depends on your circumstances.
Additional References
- Zauber AG. Cost-effectiveness of colonoscopy. Gastrointest Endosc Clin N Am 2010; 20:751.
- Doubeni CA, Corley DA, Zauber AG. Colorectal Cancer Health Disparities and the Role of US Law and Health Policy. Gastroenterology 2016; 150:1052.
This article has been reviewed for accuracy by one of the licensed medical doctors working for Doctronic.