Colonoscopy - Mayo Clinic
2024年2月28日 · During a colonoscopy, the healthcare professional puts a colonoscope into the rectum to check the entire colon. A colonoscopy (koe-lun-OS-kuh-pee) is an exam used to look for changes — such as swollen, irritated tissues, polyps or …
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.
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.
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.
Video: Colonoscopy - Mayo Clinic
2022年5月28日 · Video: Colonoscopy. Products and services. A colonoscopic examination involves gently inserting a fiber-optic colonoscope into your rectum and large intestine to view your lower gastrointestinal tract.
Colposcopy - Mayo Clinic
2024年5月11日 · Find out why colposcopy is done and what to expect during an exam to diagnose cancer and other problems affecting the cervix, vagina and vulva.
Upper endoscopy - Mayo Clinic
2024年7月2日 · An upper endoscopy, also called an upper gastrointestinal endoscopy, is a procedure used to visually examine your upper digestive system. This is done with the help of a tiny camera on the end of a long, flexible tube. A specialist in diseases of the digestive system (gastroenterologist) uses an endoscopy to diagnose and sometimes treat ...
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.
Gastrointestinal bleeding - Diagnosis and treatment - Mayo Clinic
2023年10月13日 · Colonoscopy. During a colonoscopy, a long, flexible tube is inserted into the rectum. A tiny video camera at the tip of the tube allows the doctor to view the inside of the entire large intestine and rectum. Capsule endoscopy. In this procedure, you swallow a vitamin-size capsule with a tiny camera inside.
Capsule endoscopy - Mayo Clinic
2023年10月10日 · Capsule endoscopy can find the irritated and inflamed areas in the small intestine in diseases such as Crohn's disease or ulcerative colitis. Diagnose cancer. Capsule endoscopy can show tumors in the small intestine or other …