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World J Gastrointest Endosc. Mar 16, 2022; 14(3): 113-128
Published online Mar 16, 2022. doi: 10.4253/wjge.v14.i3.113
Endoscopic management of difficult laterally spreading tumors in colorectum
Edgar Castillo-Regalado, Hugo Uchima
Edgar Castillo-Regalado, Hugo Uchima, Endoscopy Unit, Department of Gastroenterology, Hospital Universitari Germans Trias i Pujol, Barcelona 08916, Spain
Edgar Castillo-Regalado, Endoscopic Unit, Creu Groga Medical Center, Calella 08370, Spain
Hugo Uchima, Endoscopic Unit, Teknon Medical Center, Barcelona 08022, Spain
Author contributions: Castillo-Regalado E wrote the paper; Uchima H wrote and reviewed the paper.
Conflict-of-interest statement: The authors declare no conflict of interest for this article.
Open-Access: This article is an open-access article that was selected by an in-house editor and fully peer-reviewed by external reviewers. It is distributed in accordance with the Creative Commons Attribution NonCommercial (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:
Corresponding author: Hugo Uchima, MD, Consultant Physician-Scientist, Endoscopy Unit, Department of Gastroenterology, Hospital Universitari Germans Trias i Pujol, Carretera de Canyet s/n, Barcelona 08916, Spain.
Received: June 30, 2021
Peer-review started: June 30, 2021
First decision: October 18, 2021
Revised: November 1, 2021
Accepted: February 15, 2022
Article in press: February 15, 2022
Published online: March 16, 2022
Core Tip

Core Tip: The number of detected large laterally spreading tumors has increased in the last decade. Herein, we review the current landscape of different endoscopic techniques that allow us to resect difficult laterally spreading tumors. We also describe strategies in problematic situations such as scarred lesions or difficult areas and how to treat adverse events related to colonoscopy.