The Realities of CT Colonography

CT colonography has been touted as a less invasive and lower-risk alternative to traditional screening colonoscopy. When considering accuracy and test functionality, do the realities match the acclaim? Host Dr. Jay Goldstein speaks with Dr. Don Rockey, professor of internal medicine and chief of digestive and liver diseases at the University of Texas Southwestern Medical School, about the practicalities of CT colonography and its potential role in colorectal cancer screening.