Leading gastrointestinal radiologist and virtual colonoscopy screening expert discusses CT colonography (virtual colonoscopy). What exactly is virtual colonoscopy? How does virtual colonoscopy help to find early colorectal cancer?
How does Virtual Colonoscopy Work? Virtual colonoscopy (VC, also called CT Colonography or CT Pneumocolon) is the best screening method for colorectal cancer. Virtual colonoscopy also detects cancers outside large bowel. virtual colonoscopy vs regular colonoscopy can provide better patient experience and less inconvenience before and during the procedure.