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Fig. 2 | BMC Gastroenterology

Fig. 2

From: Novel modified endoscopic mucosal resection of large GI lesions (> 20 mm) using an external additional working channel (AWC) may improve R0 resection rate: initial clinical experience

Fig. 2

Step by step description of endoscopic mucosal resection with an additional working channel (EMR+ technique) (AWC, Ovesco Endoscopy AG, Tuebingen, Germany). a Target lesion, b Submucosal injection (e.g. HAES 0.6) for elevation of the lesion. c Grasping of the lesion through a 25 mm snare. d Retraction of the lesion with the grasper and closure of the snare. e Forwards pushing (pushing-back) of the grasper through the closed snare (to free any entrapped muscularis) followed by endoscopic resection

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