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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: Sep 2, 2025

ADSC-sheet Transplantation to Prevent Stricture after Extended Esophageal Endoscopic Submucosal Dissection

ADSC-sheet Transplantation to Prevent Stricture after Extended Esophageal Endoscopic Submucosal Dissection

Published on: February 10, 2017

Gauze extension method for specimens resected by endoscopic submucosal dissection.

Satoshi Ono^1,2, Daiki Nemoto³, Yoshikazu Hayashi⁴

¹Department of Gastroenterology, Chiba-nishi General Hospital, Matsudo, Chiba, Japan.

Videogie : an Official Video Journal of the American Society for Gastrointestinal Endoscopy

|August 8, 2022

Summary

This video demonstrates the gauze extension method for surgical resected specimens. This technique aids in the accurate measurement and handling of tissue samples during pathological examination.

Keywords:

ESD, endoscopic submucosal dissection

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Area of Science:

Surgical Pathology
Histotechnology

Background:

Accurate handling of resected specimens is crucial for diagnosis.
Standardized methods improve consistency in pathological assessment.

Purpose of the Study:

To present and explain the gauze extension method for resected specimens.
To provide a visual guide for a specific tissue handling technique.

Main Methods:

Demonstration of the gauze extension technique.
Application of gauze to extend specimen margins.
Visual documentation of the procedure.

Main Results:

The gauze extension method facilitates clear visualization of specimen margins.
This technique aids in orientation and measurement of irregular specimens.
Improved handling and preparation for subsequent analysis.

Conclusions:

The gauze extension method is a valuable technique in surgical pathology.
It enhances the quality of specimen preparation and diagnostic accuracy.
This visual aid serves as a useful training tool.