Virtual Colonoscopy: Beyond Polyp Detection View Full Text


Ontology type: schema:Chapter     


Chapter Info

DATE

2010

AUTHORS

T. Mang , P. Pokieser , A. Maier , W. Schima

ABSTRACT

Currently, there are two main indications for CT colonography (CTC). The first is polyp detection in patients who have an increased risk for colorectal cancer or for screening purposes in asymptomatic patients who are at average risk. The second common indication is incomplete or failed colonoscopy, where CTC is useful for complete colon visualization; for example, to detect additional lesions proximal to a stenot ic cancer (Morrin et al. 1999; Macari et al. 1999; Copel et al. 2007). In addition to these main indications, there are several other situations where the role of CTC is not yet clearly defined. Some of these conditions may lead to colon obstruction, in which case, CTC is performed after incomplete colonoscopy. However, CTC may also be used for surveillance of these conditions, as an alternative to colonoscopy or barium enemas. Diverticular disease is the most common colonic disease in the Western world and often leads to diverticulitis. CTC is helpful in the assessment of not only the lumen, but also of any extramural changes (Table 16.1). Recent reports indicate a higher risk of colonic perforation in acute inflammatory conditions with CTC (Coady-Fariborzian et al. 2004; Burling et al. 2006; Triester et al. 2006; Wong et al. 2007). At chronic stages of inflammatory bowel disease (IBD), CTC can provide information about the extent of the disease, stenosis and pre-stenotic regions, as well as about the extracolonic extent and complications of the disease (Regge et al. 2009). More... »

PAGES

199-217

Identifiers

URI

http://scigraph.springernature.com/pub.10.1007/978-3-540-79886-6_16

DOI

http://dx.doi.org/10.1007/978-3-540-79886-6_16

DIMENSIONS

https://app.dimensions.ai/details/publication/pub.1015644778


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