PubMed · 15605015
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Michael V Sivak. 2004. Polypectomy: looking back.. https://doi.org/10.1016/s0016-5107(04)02380-6
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The main purpose of this article is to outline various devices of varying practicality that have been described that might allow the examination of the colon by other means. These methods include tip propulsion by various methods, robotics, wireless endoscopy, free capsule endoscopy, specialized overtube use, and toposcopy.
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Although flat and depressed-type lesions are found by regular endoscopic view, magnification and pit pattern observation are vital parts of a precise diagnosis of the lesion. The depressed-type lesions have a prominent tendency to show malignant character, and the recognition and timely treatment of this lesion is inevitable in improving the morbidity and mortality from colorectal cancer. A magnifying colonoscope has the capability of a regular colonoscope with an additional feature: magnification. With chromoscopic techniques, the surface pattern of the mucosal pits can be observed. The pit-pattern classification correlates well with actual histologic findings and provides important additional information before endoscopic treatment of the lesion.