Colonoscopy - Mayo Clinic
2024年2月28日 · A colonoscopy (koe-lun-OS-kuh-pee) is an exam used to look for changes — such as swollen, irritated tissues, polyps or cancer — in the large intestine (colon) and rectum. During a colonoscopy, a long, flexible tube (colonoscope) is inserted into the rectum.
Colon cancer screening: Weighing the options - Mayo Clinic
2022年12月6日 · Colonoscopy is one of the most sensitive tests currently available for colon cancer screening. The doctor can view your entire colon and rectum. Abnormal tissue, such as polyps, and tissue samples (biopsies) can be removed through the scope during the exam.
Mayo Clinic Minute: Tips to make colonoscopy bowel prep easier
2024年3月28日 · The purpose of a colonoscopy is to examine the colon and rectum for abnormalities such as polyps, tumors or inflammation, aiding in the detection and prevention of colorectal cancer. And to do that, it's important your medical team has a clear view.
Colonoscopy - Doctors & Departments - Mayo Clinic
2024年2月28日 · Colonoscopy is one option for colon cancer screening. Find out what to expect during this procedure to examine the inside of your colon.
Mayo Clinic Minute: The importance of a colonoscopy
2018年3月1日 · In this Mayo Clinic Minute, Dr. Michael Wallace, a Mayo Clinic gastroenterologist, explains why a colonoscopy is such an effective tool in the battle against colorectal cancers.
Virtual colonoscopy - Mayo Clinic
2023年7月6日 · Virtual colonoscopy is also known as screening CT colonography. Unlike the usual or traditional colonoscopy, which needs a scope to be put into your rectum and advanced through your colon, virtual colonoscopy uses a CT scan to take hundreds of cross-sectional pictures of your belly organs.
Flexible sigmoidoscopy - Mayo Clinic
2024年7月9日 · During a sigmoidoscopy, the examiner inserts the tube into the anus and guides it through the rectum, sigmoid colon and most of the descending colon on the left side of the body. It doesn't pass through the entire colon. The camera allows the healthcare professional to see irregular tissues.
Colon cancer screening: At what age can you stop? - Mayo Clinic
2023年12月6日 · There's no upper age limit for colon cancer screening. But most medical organizations in the United States agree that the benefits of screening decline after age 75 for most people and there's little evidence to support continuing screening after age 85.
Ostomy: Adapting to life after colostomy, ileostomy or urostomy
2024年8月1日 · In some cases, after the surgeon removes a portion of the colon, it may be necessary to attach the remaining colon to the outside of the body in a procedure called colostomy. Creating a hole (stoma) in the abdominal wall allows waste to leave the body.
Endoscopic mucosal resection - Mayo Clinic
2024年10月29日 · Endoscopic mucosal resection, or EMR, uses a specially designed endoscope or colonoscope to remove suspect tissue or polyps from your esophagus or colon. The tissue or polyp is first injected with a solution that raises a blister, allowing your doctor to remove the tissue without damaging the rest of the esophagus or colon.