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©The Author(s) 2015. Published by Baishideng Publishing Group Inc. All rights reserved.
World J Gastrointest Endosc. Jul 25, 2015; 7(9): 860-871
Published online Jul 25, 2015. doi: 10.4253/wjge.v7.i9.860
Published online Jul 25, 2015. doi: 10.4253/wjge.v7.i9.860
Serrated polyps of the colon and rectum: Endoscopic features including image enhanced endoscopy
Shoichi Saito, Hisao Tajiri, Department of Endoscopy, The Jikei University School of Medicine, Tokyo 105-8461, Japan
Hisao Tajiri, Department of Internal Medicine, Division of Gastroenterology and Hepatology, the Jikei University School of Medicine, Tokyo 105-8461, Japan
Masahiro Ikegami, Department of Pathology, the Jikei University School of Medicine, Tokyo 105-8461, Japan
Author contributions: All authors contributed to this work.
Conflict-of-interest statement: All authors declare that we have received no financial supports.
Open-Access: This article is an open-access article which was selected by an in-house editor and fully peer-reviewed by external reviewers. It is distributed in accordance with the Creative Commons Attribution Non Commercial (CC BY-NC 4.0) license, which permits others to distribute, remix, adapt, build upon this work non-commercially, and license their derivative works on different terms, provided the original work is properly cited and the use is non-commercial. See: http://creativecommons.org/licenses/by-nc/4.0/
Correspondence to: Shoichi Saito, MD, PhD, Department of Endoscopy, the Jikei University School of Medicine, 3-25-8, Nishi-Shinbashi Minato-Ward, Tokyo 105-8461, Japan. ssaito@jikei.ac.jp
Telephone: +81-33-4331111-3181 Fax: +81-33-4594524
Received: October 14, 2014
Peer-review started: October 14, 2014
First decision: December 17, 2014
Revised: June 1, 2015
Accepted: June 15, 2015
Article in press: June 16, 2015
Published online: July 25, 2015
Peer-review started: October 14, 2014
First decision: December 17, 2014
Revised: June 1, 2015
Accepted: June 15, 2015
Article in press: June 16, 2015
Published online: July 25, 2015
Core Tip
Core tip: Histopathologically, “serrated lesions” are categorized by the World Health Organization into three groups: (1) hyperplastic polyp; (2) traditional serrated adenoma; and (3) sessile serrated adenoma/polyp (SSA/P). I have discussed the findings associated with each lesion type as observed on image enhanced endoscopy. Regarding HPs and SSA/Ps, it is easy to differentiate both lesions. Especially, dilatations of the gland orifices are frequently observed in SSA/P and appear as blackish dotted orifices. And a thick mucous adhesion referred to as a “mucous cap” can be confirmed as red mucus on narrow band imaging observation and can be recognized when it adheres to the surface of a “red cap” polyp in SSA/P.