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Related Concept Videos

Endoscopic Procedures I: Esophagogastroduodenoscopy01:29

Endoscopic Procedures I: Esophagogastroduodenoscopy

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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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Endoscopic Procedures III: Video Capsule Endoscopy01:28

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Capsule endoscopy, or wireless or video capsule endoscopy, is a diagnostic procedure for examining the entire gastrointestinal tract. Patients swallow a capsule about the size of a vitamin tablet. The capsule is equipped with a transmitter, a battery, an LED light source, and a color video camera to capture images throughout the gastrointestinal tract. This procedure is particularly useful for diagnosing conditions such as Crohn's disease, ulcerative colitis, tumors, polyps, ulcers,...
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Upper GI Series: Barium Swallow01:24

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The Barium Swallow Study, or a Barium Esophagogram, is a diagnostic imaging method used to visualize the upper gastrointestinal (GI) tract, including the esophagus, stomach, and small intestine. It employs barium sulfate, a radiopaque contrast material, to provide clear images of the upper digestive system, helping to identify abnormalities, diseases, or structural issues.
Purpose and Procedure
Patients undergoing this procedure ingest a liquid containing barium sulfate with a chalky...
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Endoscopic Procedures V: ERCP01:26

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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.
Patient...
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Imaging Studies III: Gastrointestinal Motility Studies and Virtual Colonoscopy01:26

Imaging Studies III: Gastrointestinal Motility Studies and Virtual Colonoscopy

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This lesson explores three gastrointestinal imaging techniques: radionuclide testing, colonic transit studies, and virtual colonoscopy.
Radionuclide Testing
Radionuclide testing is a sophisticated medical technique for assessing gastrointestinal motility. It focuses on gastric emptying and colonic transit time. Radioactive markers track the movement of food through the digestive system, providing insights into gastrointestinal disorders.
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Endoscopic Procedures IV: Sigmoidoscopy and Laproscopy01:26

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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.
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Related Experiment Video

Updated: Sep 9, 2025

Diagnosis of Neoplasia in Barrett’s Esophagus using Vital-dye Enhanced Fluorescence Imaging
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Image-enhanced endoscopy in upper GI tract: State-of-the-art review.

Zaheer Nabi1, Sonmoon Mohapatra2, Noriya Uedo3

  • 1Department of Gastroenterology, Asian Institute of Gastroenterology, Hyderabad, 500 082, India. zaheernabi1978@gmail.com.

Indian Journal of Gastroenterology : Official Journal of the Indian Society of Gastroenterology
|September 2, 2025
PubMed
Summary
This summary is machine-generated.

Image-enhanced endoscopy (IEE) improves detection of early upper gastrointestinal cancers by enhancing visualization. Structured training and digital tools can boost IEE adoption, especially in resource-limited settings, to improve patient outcomes.

Keywords:
EndoscopyNarrow band imagingNeoplasmsUpper gastrointestinal

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Area of Science:

  • Gastroenterology and Endoscopy
  • Medical Imaging Technology

Background:

  • Conventional white light endoscopy has limitations in detecting subtle early gastrointestinal (GI) neoplastic changes.
  • Image-enhanced endoscopy (IEE) offers improved visualization of mucosal and vascular patterns, aiding early detection.
  • IEE is underutilized in resource-limited settings due to training and standardization gaps.

Purpose of the Study:

  • To review the clinical utility of IEE in upper GI endoscopy.
  • To highlight narrow band imaging (NBI) as a key IEE technique.
  • To provide practical guidance for IEE implementation and standardization.

Main Methods:

  • Comprehensive literature review on IEE in upper GI endoscopy.
  • Focus on narrow band imaging (NBI) techniques and applications.
  • Inclusion of practical tips for equipment, preparation, and standardized protocols like the Systematic Screening Protocol for the Stomach (SSS).

Main Results:

  • IEE significantly enhances the visualization of subtle mucosal and vascular abnormalities.
  • Narrow band imaging (NBI) is a valuable IEE modality for detecting early GI neoplasms.
  • Standardized protocols and adjuncts (e.g., anti-peristaltic agents) optimize IEE effectiveness.

Conclusions:

  • IEE, particularly NBI, is crucial for improving early detection of upper GI malignancies.
  • Structured training and digital learning are essential to overcome barriers to IEE adoption.
  • Standardized techniques and adjuncts are vital for maximizing the diagnostic yield of IEE.