Successful removal of a serrated lesion involving the appendiceal orifice using a traction device

Abstract

A 64‐year‐old female presented with a slightly elevated 50‐mm lesion in the cecum, which was spread into the appendiceal orifice. The lesion was endoscopically diagnosed to be a sessile serrated adenoma/polyp without dysplasia. Endoscopic submucosal dissection (ESD) was performed using a therapeutic colonoscope (PCF‐Q260JI, Olympus) and a small‐caliber‐tip transparent hood (ST‐hood DH‐29CR, Fujifilm). First, hyaluronic acid and glycerol solution were submucosally injected into the normal mucosa of the appendiceal canal.

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