Related Experiment Video
Updated: May 1, 2026
The Pocket-Creation Procedure of Endoscopic Submucosal Dissection for Large Rectal Laterally Spreading Tumors
Published on: February 13, 2026
Endoscopic submucosal dissection (ESD) versus simplified/hybrid ESD
Takashi Toyonaga1, Mariko Man-I2, Yoshinori Morita2
1Department of Endoscopy, Kobe University Hospital, Kobe, Hyogo 650-0019, Japan; Frontier Medical Science in Gastroenterology, Kobe University School of Medicine, Kobe, Hyogo 650-0019, Japan.
Abstract:
The development of endoscopic submucosal dissection (ESD) has enabled en bloc resection of lesions regardless of size and shape. However, ESD of colorectal tumors is technically difficult. Early stage colorectal tumors can be removed by endoscopic mucosal resection (EMR) but larger tumors may require piecemeal resection. Therefore, ESD with snaring has been proposed for more reliable EMR and easier ESD. This is a good option to fill the gap between EMR and ESD, and a good step to the introduction of full ESD.
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