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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.
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Endoscopic Procedures V: ERCP

Endoscopic Procedures V: ERCP

Endoscopic Retrograde Cholangiopancreatography (ERCP) is a diagnostic procedure that combines endoscopy and fluoroscopy to diagnose and treat conditions related to the bile ducts, pancreatic ducts, and gallbladder. This procedure is beneficial for identifying and addressing blockages, gallstones, strictures, and tumors within the biliary or pancreatic systems. ERCP is both diagnostic and therapeutic, offering the ability to visualize and treat identified problems in one session.
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Endoscopic Procedures IV: Sigmoidoscopy and Laproscopy

Endoscopic Procedures IV: Sigmoidoscopy and Laproscopy

Sigmoidoscopy and laparoscopy are distinct medical procedures that enable physicians to internally inspect different parts of the GI tract. Although they serve different purposes, each is essential for diagnosing and, in some cases, treating various medical conditions.
Sigmoidoscopy
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Endoscopic Procedures III: Video Capsule Endoscopy

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Endoscopic Procedures II: Colonoscopy

Endoscopic Procedures II: Colonoscopy

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Endoscopic Studies I: Bronchoscopy and Thoracoscopy

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Bronchoscopy
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Related Experiment Video

Updated: Jun 16, 2026

Using the Endoscope for Endobronchial Ultrasound in the Esophagus

Using the Endoscope for Endobronchial Ultrasound in the Esophagus

Published on: November 21, 2023

Follow-up endoscopy in gastroenterology: when is it helpful?

Heiko Lübbers¹, Reiner Mahlke, Paul Georg Lankisch

¹Allgemeine Innere Medizin, Städtisches Klinikum Lüneburg, Lüneburg, Germany.

Deutsches Arzteblatt International

|February 9, 2010

Summary

Follow-up endoscopy guidelines vary for gastrointestinal diseases. Indications are established for some conditions like reflux disease and ulcers, but more research is needed for others, including hereditary colorectal cancer screening protocols.

Related Experiment Videos

Last Updated: Jun 16, 2026

Using the Endoscope for Endobronchial Ultrasound in the Esophagus

Using the Endoscope for Endobronchial Ultrasound in the Esophagus

Published on: November 21, 2023

Area of Science:

Gastroenterology
Endoscopic procedures
Clinical guidelines

Background:

Indications for follow-up endoscopy are not universally established for all endoscopic diagnoses.
Variability exists in current clinical practice regarding post-diagnostic endoscopic surveillance.

Purpose of the Study:

To review and synthesize current indications for follow-up endoscopy across various gastrointestinal diseases.
To identify areas where further research is needed to clarify endoscopic surveillance protocols.

Main Methods:

Selective literature review.
Survey of national guidelines on follow-up endoscopy.

Main Results:

Follow-up endoscopy for reflux disease is indicated for complications or Barrett's esophagus.
Endoscopic monitoring is mandatory for gastric ulcers and complicated duodenal ulcers.
Specific guidelines exist for ulcerative colitis, Crohn's disease, and hereditary colorectal carcinoma surveillance.

Conclusions:

Many indications for follow-up endoscopy require further clarification.
Controlled studies are essential to establish evidence-based guidelines for patient care.