Colonic Polyps – What A Surgeon Needs to Know!
DOI:
https://doi.org/10.48111/2021.04.07Keywords:
Polyp, Colonoscopy, Polypectomy, Adenoma, Endoscopic mucosal resectionAbstract
IMPORTANCE Colorectal polyps are protuberance of the tissue mass into the colonic lumen arising from the colonic mucosal layer. Although mostly benign, some types of colorectal polyps (especially adenoma) are considered to follow a histological pathway called adenoma-carcinoma transition sequence, which leads to the development of colorectal cancer. Up to 80% of colorectal cancers develop from initially benign adenomatous polyps that subsequently undergo such transition. Colonoscopy is considered to be an efficient method of detecting and removing polyps, thus reducing the incidence of colorectal cancer. Several important characteristics of a polyp can be assessed during endoscopies such as the gross morphology, superficial glandular pattern, vascular pattern, and appearance under chromoendoscopy, which help decide the most suitable type of polypectomy technique and subsequent surveillance examination. This article reviews the histological characteristics and classifications of colorectal polyps and discusses the traditional and modern endoscopic polypectomy techniques in light of recent scientific data.
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