“Double anchor traction method” for large colorectal lesion in colorectal endoscopic submucosal dissection

In colorectal endoscopic submucosal dissection (ESD), traction devices are effective in reducing procedure time and complications [1]. We developed a novel traction technique using a multi-loop traction device (MLTD; Boston Scientific Co. Ltd., Tokyo, Japan) that enables traction at three locations; we termed this the "anchor traction method" [2]. Although a relatively large lesion can be dissected with a good field of view by traction at three points, the traction points are often insufficient for giant lesions that occupy more than half the circumference of the lumen. We report a case in which two MLTDs were used to dissect such a lesion without complication.