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. 2017 May 11;11(6):747–760. doi: 10.5009/gnl16523

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Copyright © 2017 by The Korean Society of Gastroenterology, the Korean Society of Gastrointestinal Endoscopy, the Korean Society of Neurogastroenterology and Motility, Korean College of Helicobacter and Upper Gastrointestinal Research, Korean Association the Study of Intestinal Diseases, the Korean Association for the Study of the Liver, Korean Pancreatobiliary Association, and Korean Society of Gastrointestinal Cancer.

This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/4.0) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Fig. 1 — Histologic features of sessile serrated adenomas/polyps (SSA/Ps). (A) A serrated adenoma (SSA/P) without dysplasia showing the classical features of broad bases and dilated crypts (arrow). H&E stained, low power magnification. (B) An SSA/P with mild dysplasia is shown in the right-side specimen (arrow). The glandular architecture and surface epithelium of the dysplastic component resembles a conventional adenoma. The left-sided specimen is nondysplastic. H&E stained, low power magnification.