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Related Concept Videos

Barrett Esophagus-I: Introduction01:21

Barrett Esophagus-I: Introduction

743
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...
743
Barrett Esophagus-II: Clinical Manifestations and Management01:21

Barrett Esophagus-II: Clinical Manifestations and Management

901
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...
901

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Related Experiment Video

Updated: Jan 24, 2026

Diagnosis of Neoplasia in Barrett&#8217;s Esophagus using Vital-dye Enhanced Fluorescence Imaging
06:55

Diagnosis of Neoplasia in Barrett’s Esophagus using Vital-dye Enhanced Fluorescence Imaging

Published on: May 11, 2014

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Barrett oesophagus.

Yonne Peters1, Ali Al-Kaabi1, Nicholas J Shaheen2

  • 1Department of Gastroenterology and Hepatology, Radboud University Medical Center, Nijmegen, Netherlands.

Nature Reviews. Disease Primers
|May 25, 2019
PubMed
Summary
This summary is machine-generated.

Barrett esophagus (BE) is a precursor to esophageal adenocarcinoma (EAC). Early detection and endoscopic surveillance of BE are crucial for preventing EAC progression and improving patient outcomes.

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Area of Science:

  • Gastroenterology and Oncology
  • Molecular Pathology

Background:

  • Barrett esophagus (BE) is the primary precursor to esophageal adenocarcinoma (EAC).
  • Esophageal adenocarcinoma (EAC) incidence is rapidly increasing in Western countries, with a poor prognosis.
  • BE is diagnosed via endoscopy and histological confirmation of intestinal metaplasia.

Purpose of the Study:

  • To highlight the significance of BE as a precursor to EAC.
  • To emphasize the importance of screening for BE to reduce EAC mortality.
  • To discuss current and emerging management strategies for BE.

Main Methods:

  • Review of current understanding of BE pathogenesis and malignant progression.
  • Analysis of diagnostic methods, including endoscopy and histology.
  • Evaluation of endoscopic surveillance and therapeutic advancements.

Main Results:

  • Genomic and transcriptomic research has enhanced understanding of intestinal metaplasia's progression.
  • Screening for BE may decrease EAC-related mortality, as most EAC cases lack a prior BE diagnosis.
  • Endoscopic therapies (resection, ablation) are shifting treatment paradigms for BE with dysplasia or early EAC.

Conclusions:

  • Endoscopic surveillance of BE is vital for early detection and treatment of dysplasia, preventing EAC.
  • Optimizing lifestyle, proton pump inhibitors, and investigating chemopreventive agents (NSAIDs, statins) are key management strategies.
  • Advances in endoscopic therapy offer alternatives to surgery for BE and early EAC.