What To Expect
A colonoscopy is an internal examination of the colon (large intestine) and rectum, using a thin, flexible tube with a camera called a colonoscope. The doctor uses a video monitor to look for abnormalities such as ulcers, polyps, tumors, or areas of inflammation or bleeding. If any irregularities are found, they can be biopsied or removed. A colonoscopy is able to detect early problems that could lead to colon cancer. It is the preferred test to detect and treat colon cancer, while other screening tests can detect colon cancer with further follow up treatment as required.
This procedure is nothing to feel embarrassed about. Before the procedure, your physician may give you a mild sedative to keep you comfortable so that you do not feel any pain. In some cases, a stronger sedative may be used so that you can be asleep during the procedure. Complications are rare with colonoscopy procedures. However, as with any medical procedure, it is important to be aware of potential complications no matter how small the risk. You should call your doctor immediately if you experience severe abdominal pain, a firm or bloated abdomen, vomiting, fever or bleeding following a colonoscopy.
When Should You Be Screened?
If your doctor recommends screening for colorectal cancer, it does not necessarily mean that you have colorectal cancer.
A screening is meant to identify precancerous polyps so that they can be biopsied or removed before they turn into cancer. Recommended screenings can also identify early stages of colorectal cancer, allowing you to begin treatment early on when it has the highest success rate.