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KMID : 1038120180510060534
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Clinical Endoscopy
2018 Volume.51 No. 6 p.534 ~ p.540
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Image-Enhanced Endoscopy in Lower Gastrointestinal Diseases: Present and Future
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Lee Han-Hee
Lee Bo-In
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Abstract
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From dye-assisted conventional chromoendoscopy to novel virtual chromoendoscopy, image-enhanced endoscopy (IEE) is continuously evolving to meet clinical needs and improve the quality of colonoscopy. Dye-assisted chromoendoscopy using indigo carmine or crystal violet, although slightly old-fashioned, is still useful to emphasize the pit patterns of the colonic mucosa and predict the histological structures of relevant lesions. Equipment-based virtual chromoendoscopy has the advantage of being relatively easy to use. There are several types of virtual chromoendoscopy that vary depending on the manufacturer and operating principle. IEE plays distinctive roles with respect to histologic characterization of colorectal polyps and prediction of the invasion depth of colorectal cancers. In addition, the newest models of IEE have the potential to increase adenoma and polyp detection rates in screening colonoscopy.
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KEYWORD
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Image enhancement, Colonoscopy, Narrow-band imaging, Colorectal polyp
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