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Endoscopic Procedures I: Esophagogastroduodenoscopy

Endoscopic Procedures I: Esophagogastroduodenoscopy

An Esophagogastroduodenoscopy (EGD) is a diagnostic procedure in which an endoscopist uses a flexible, lighted endoscope to visualize the upper gastrointestinal (GI) tract. The procedure includes visualizing the oropharynx, esophagus, stomach, and the first part of the small intestine, the duodenum.
During an EGD, the endoscope can be used to:

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Updated: May 23, 2026

The Pocket-Creation Procedure of Endoscopic Submucosal Dissection for Large Rectal Laterally Spreading Tumors

The Pocket-Creation Procedure of Endoscopic Submucosal Dissection for Large Rectal Laterally Spreading Tumors

Published on: February 13, 2026

[Endoscopic submucosal dissection (ESD) using triangle-tip knife (TT knife)]

Haruhiro Inoue¹, Haruo Ikeda, Toshihisa Hosoya

¹Digestive Disease Center, Showa University Northern Yokohama Hospital.

Nihon Rinsho. Japanese Journal of Clinical Medicine

|April 5, 2012

Summary

No abstract available in PubMed .

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