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Related Concept Videos

Barrett Esophagus-II: Clinical Manifestations and Management01:21

Barrett Esophagus-II: Clinical Manifestations and Management

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Individuals with Barrett's esophagus are often asymptomatic, but they may experience symptoms commonly associated with GERD, such as heartburn and acid regurgitation. Additional symptoms can include difficulty swallowing, chest pain, unintentional weight loss, blood in the stool (which may appear black, tarry, or bloody), and episodes of vomiting.
To diagnose Barrett's esophagus, healthcare providers often recommend an endoscopy for those showing symptoms of acid reflux. The procedure...
627
Barrett Esophagus-I: Introduction01:21

Barrett Esophagus-I: Introduction

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Barrett's esophagus is a medical condition where the esophageal mucosa is significantly damaged by stomach acid or other digestive fluids, often due to long-term exposure associated with gastroesophageal reflux disease (GERD). In GERD, a weakened or abnormally relaxed lower esophageal sphincter allows stomach acid to flow persistently into the esophagus.
This constant acid exposure transforms the esophagus's pink mucosal lining (stratified squamous epithelium) into a type of lining more...
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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:
645
Imaging Studies III: Gastrointestinal Motility Studies and Virtual Colonoscopy01:26

Imaging Studies III: Gastrointestinal Motility Studies and Virtual Colonoscopy

294
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.
In gastric emptying studies, a meal's liquid and...
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Upper GI Series: Barium Swallow01:24

Upper GI Series: Barium Swallow

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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...
1.3K
Esophageal Strictures-II: Clinical Features and Management01:26

Esophageal Strictures-II: Clinical Features and Management

316
Patients with esophageal strictures often experience a range of symptoms. Initially, they may have difficulty swallowing solid foods, which can progress to include liquids. Additional symptoms may involve chest pain or discomfort, regurgitating food and fluids, heartburn, unintentional weight loss, coughing or choking during meals, and hoarseness.
Healthcare providers should gather a comprehensive medical history and conduct a physical examination for diagnosis. If esophageal stricture is...
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Related Experiment Video

Updated: Dec 19, 2025

Diagnosis of Neoplasia in Barrett’s Esophagus using Vital-dye Enhanced Fluorescence Imaging
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Towards screening Barrett's oesophagus: current guidelines, imaging modalities and future developments.

Ishaan Maitra1, Ravindra Sudhachandra Date2, Francis Luke Martin3

  • 1School of Pharmacy and Biomedical Sciences, University of Central Lancashire, Preston, PR1 2HE, UK. IMaitra@uclan.ac.uk.

Clinical Journal of Gastroenterology
|June 5, 2020
PubMed
Summary

Barrett's oesophagus screening needs better methods than invasive OGD. Vibrational spectroscopy shows promise for non-invasive detection of oesophageal adenocarcinoma (OAC) and high-grade dysplasia (HGD).

Keywords:
Barrett’s oesophagusImaging modalitiesOesophageal adenocarcinomaScreening

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Area of Science:

  • Gastroenterology and Oncology
  • Medical Diagnostics

Background:

  • Barrett's oesophagus is the sole known precursor to oesophageal adenocarcinoma (OAC).
  • Current screening and surveillance strategies for Barrett's oesophagus are inadequate.
  • Oesophagogastroduodenoscopy (OGD), the gold standard, is invasive, costly, and carries risks.

Purpose of the Study:

  • To review current definitions, epidemiology, biomarkers, surveillance, and screening for Barrett's oesophagus.
  • To discuss applicable imaging modalities and future developments.
  • To highlight the urgent need for non-invasive screening and surveillance alternatives.

Main Methods:

  • Literature review of existing research on Barrett's oesophagus.
  • Exploration of current diagnostic and surveillance techniques.
  • Discussion of emerging technologies, including vibrational spectroscopy.

Main Results:

  • Existing screening methods like OGD are limited by invasiveness and cost.
  • Vibrational spectroscopy demonstrates potential in classifying Barrett's oesophagus, high-grade dysplasia (HGD), and OAC.
  • Further multicentre trials are required to validate these promising techniques.

Conclusions:

  • There is a critical need for non-invasive methods to improve Barrett's oesophagus screening and surveillance.
  • Non-invasive approaches can reduce waiting times, patient anxiety, and healthcare costs.
  • Vibrational spectroscopy warrants further investigation as a potential non-invasive diagnostic tool.