A scan can be used to diagnose possible appendicitis and kidney stones if the ultrasound results are unclear. The problem: Some doctors recommend CT colonography, or "virtual colonoscopy," over ...

CT colonography is a less invasive, better targeted and sufficiently accurate alternative to colonoscopy for colorectal cancer (CRC) screening in the general population. Daniele Regge and ...

For PET/CT colonography, rectal water filling was preferred to CO 2 or air inflation for bowel distension, as the absorption of gas between scans might lead to differences in bowel distension.

Several studies, including a randomized controlled trial from the Netherlands (JW Gastroenterol Jan 6 2012), have now reported the performance of laxative-free computed tomographic colonography (CTC).

Q. When seniors gather, it doesn’t seem to take long before we get to our aches and pains. You must get more than your share of that. A. My friend, Pete, has instituted a colonoscopy rule.