Controversies in Documentation
10.1055/b-0034-91867 Controversies in Documentation C-RADS is a system based on a consensus recommendation that was put forth by an international body of experts in CT colonography. It is still not…
GASTROENTEROLOGY
Diverticular Disease
10.1055/b-0034-91856 Diverticular Disease In the Western world, diverticular disease is the most common disease of the large bowel, affecting 10%–30% of the population aged 50 years and 30%–60% of 80-year-olds….
3D Applications
10.1055/b-0034-91852 3D Applications Apart from 3D virtual endoscopy, various other 3D applications are available to aid evaluation. A distinction is made between “additional 3D projections” and functional 3D applications, known…
Computer-Assisted Detection of Polyps
10.1055/b-0034-91854 Computer-Assisted Detection of Polyps Computer-assisted detection (CAD) software is a fairly recent development in CT colonography. CAD software automatically detects and marks certain image content based on predefined morphological…
Data Analysis and Interpretation Strategies
10.1055/b-0034-91851 Data Analysis and Interpretation Strategies After the CT examination is complete, the image data are transferred via a network or via data storage media from the CT scanner to…
Patient Preparation
10.1055/b-0034-91847 Patient Preparation Just as for colonoscopy, proper bowel cleansing is necessary for CT colonography. As residual intraluminal fluids cannot be removed during the examination, a colon that is as…
Polyp Measurement
10.1055/b-0034-91853 Polyp Measurement Criteria for Correct Measurement of Polyps In general, polyps found on CT colonography are divided according to size into small (<6 mm), medium-size (6–9 mm), and large…
CT Examination Technique
10.1055/b-0034-91849 CT Examination Technique In the years since CT colonography was first introduced, significant advances have been made in scanner technology and in postprocessing software. The first attempts at colonic…
Risk Profile of CT Colonography
10.1055/b-0034-91850 Risk Profile of CT Colonography CT colonography is considered a safe, noninvasive method of examining the entire colon. Generally it is a less burdensome examination that is preferred by…
Colon Distension
10.1055/b-0034-91848 Colon Distension A well-distended colon is a basic requirement for performing CT colonography, since it can be very difficult or even impossible to evaluate intraluminal lesions located in collapsed…
