Selection of endoscopic resection technique for large colorectal lesion treatment

Author:

Cronin Oliver123,Mandarino Francesco Vito13,Bourke Michael J.13

Affiliation:

1. Department of Gastroenterology and Hepatology, Westmead Hospital

2. Department of Gastroenterology, Northern Health

3. Westmead Clinical School, University of Sydney, Sydney, New South Wales, Australia

Abstract

Purpose of review Large nonpedunculated colorectal polyps ≥ 20 mm (LNPCPs) comprise 1% of all colorectal lesions. LNPCPs are more likely to contain advanced histology such as high-grade dysplasia and submucosal invasive cancer (SMIC). Endoscopic resection is the first-line approach for management of these lesions. Endoscopic resection options include endoscopic mucosal resection (EMR), cold-snare EMR (EMR), endoscopic submucosal dissection (ESD) and endoscopic full-thickness resection (EFTR). This review aimed to critically evaluate current endoscopic resection techniques. Recent findings Evidence-based selective resection algorithms should inform the most appropriate endoscopic resection technique. Most LNPCPs are removed by conventional EMR but there has been a trend toward C-EMR for endoscopic resection of LNPCPs. More high-quality trials are required to better define the limitations of C-EMR. Advances in our understanding of ESD technique, has clarified its role within the colorectum. More recently, the development of a full thickness resection device (FTRD) has allowed the curative endoscopic resection of select lesions. Summary Endoscopic resection should be regarded as the principle approach for all LNPCPs. Underpinned by high-quality research, endoscopic resection has become more nuanced, leading to improved patient outcomes.

Publisher

Ovid Technologies (Wolters Kluwer Health)

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