Virtual colonoscopy

Virtual colonoscopy, also known as CT colonography, is a specialized imaging technique used to examine the colon (large intestine) and rectum for abnormalities, such as polyps or cancer. Unlike traditional colonoscopy, which involves the insertion of a flexible tube with a camera into the colon, virtual colonoscopy uses computed tomography (CT) scanning technology. Here’s how it typically works: 1. **Preparation**: Patients need to follow a specific bowel preparation regimen to ensure the colon is clean.