Jun 8, 2024 · Virtual colonoscopy is a test doctors use to screen for colo-rectal cancer. WebMD explains how it works, how it differs from a traditional colonoscopy, and whether it’s right for you.

Jul 9, 2025 · Unlike a traditional colonoscopy, which uses a scope put into the rectum and advanced through the colon, virtual colonoscopy uses a CT scan to take hundreds of cross …

May 8, 2025 · How does a virtual colonoscopy work? A virtual colonoscopy uses imaging technology to take detailed pictures of your colon. A technician uses a CT scanner to take …

Karen Horton, M.D., professor and chair of Radiology, discusses what is involved in the procedure, how to prepare and the benefits of virtual colonoscopy over conventional …

Oct 2, 2020 · To do this, you’ll have to: Follow a clear liquid diet for 1 to 3 days before the exam. Avoid eating or drinking anything the night before the exam. Take a strong laxative, and …

Jan 17, 2022 · Before undergoing a virtual colonoscopy, you'll prepare the colon and rectum by emptying them completely. Colon prep is usually done through a combination of medications …

Virtual colonoscopy is a technique that uses a computerized tomographic (CT) scan (a type of three-dimensional X-ray) to construct virtual images of the colon that are similar to the views of …

Virtual colonoscopy (also known as CT colonography) is a procedure that is done to look for small polyps or other growths inside your colon. Read on to learn what to expect before, during, and …

Virtual Colonoscopy is a medical imaging exam that uses computed tomography (CT), sometimes called a CAT scan, and advanced computer software to produce two- and three-dimensional …

Virtual colonoscopy (VC), also known as CT colonography, is a new procedure that is equally effective, less invasive, safer and faster than standard colonoscopy for colon cancer screening.