Complete resection of a previously unsuspected 5  mm duodenal submucosal carcinoma

A 56-year-old man  was found to have a flat-elevated lesion, 5 mm in diameter, located at the descending part of the duodenum. The lesion was endoscopically diagnosed as an adenoma (Fig. 1a, b). However, a histological diagnosis through biopsyrevealed that it was a well-differentiated adenocarcinoma. We performed endoscopic mucosal resection (EMR) with over-the-scope clip (OTSC) (referred to as EMRO) [1] using deep layer resection techniques to achieve a negative resection margin without perforation (Fig.

Source: Digestive and Liver Disease - November 25, 2020 Category: Gastroenterology Authors: Tomoaki Tashima, Kazuya Miyaguchi, Yuki Tanisaka, Shomei Ryozawa Tags: Image of the Month Source Type: research