Endoscopic mucosal resection (EMR) is the most common endoscopic intervention for duodenal neoplasms. The literature describes various options, including cold snare polypectomy, underwater EMR (UEMR), and endoscopic submucosal dissection (ESD) [1] [2]. The gel immersion EMR method has been developed in recent years to achieve safe and easy en bloc resection [3] [4]. Here, we report the en bloc resection of an elevated lesion with a prominent depression in the duodenal bulb using the gel immersion EMR technique.
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Suzuki et al. (2024) studied this question.
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