期刊
DIGESTIVE DISEASES AND SCIENCES
卷 54, 期 2, 页码 212-217出版社
SPRINGER
DOI: 10.1007/s10620-008-0360-5
关键词
CRC screening; CT colonography; Virtual colonoscopy
CT colonography or virtual colonoscopy is a fairly new modality that has the potential to play a significant role in screening for colon cancer. CT colonography is an attractive option for two specific reasons. First, it is non-invasive and, second, it obviates the need for sedation. It thus overcomes the two major drawbacks of optical colonoscopy. CT colonography cannot be a stand-alone technique for colorectal cancer screening because, unlike conventional colonoscopy, it does not possess a therapeutic option or a definite diagnostic capability. However, CT colonography can be a cost-effective complement to traditional colonoscopy if it is reasonably priced and if appropriate cut-off levels (> 6 mm polyp) are used to increase its sensitivity.
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