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-sectional …

May 8, 2025 · A virtual colonoscopy is a CT scan that looks for polyps or cancer in your colon and rectum. It takes about 15 minutes and you don't need general anesthesia.

What is a virtual colonoscopy? 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 …

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.

Virtual colonoscopy is a special X-ray examination of the colon using low dose computed tomography (CT). It is a less invasive procedure than a conventional colonoscopy.

Jan 29, 2026 · CT colonography is a medical imaging test that uses a CT scanner to visualize the inside of the large intestine (colon and rectum). It is also called a virtual colonoscopy because the …

Virtual colonoscopy is a test that's used to look for polyps or other growths inside your colon before they cause problems. (Looking for cancer before it causes symptoms is called cancer screening.)