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Barrett Esophagus-I: Introduction

Barrett Esophagus-I: Introduction

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 similar...

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.
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Esophageal Strictures-I: Introduction

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Esophageal strictures involve abnormal narrowing or tightening of the esophagus. They vary in length and severity, ranging from mild constriction to complete obstruction, and are classified as benign (noncancerous) or malignant (cancerous).
Etiology
The primary cause of esophageal strictures is long-standing gastroesophageal reflux disease (GERD), accounting for about 70 to 80% of adult cases. Chronic acid reflux can lead to injury and scarring of the esophageal lining, culminating in...

Esophageal Strictures-II: Clinical Features and Management

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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.
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Esophageal achalasia is a chronic neurogenic disorder characterized by impaired relaxation of the lower esophageal sphincter (LES) and absent or ineffective peristalsis in the distal esophagus. This leads to a functional obstruction without a physical blockage, despite significant disruption of esophageal motility.EtiologyAchalasia is caused by degeneration of the myenteric (Auerbach's) plexus, specifically the loss of inhibitory ganglion cells that produce vasoactive intestinal peptide (VIP)...

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Related Experiment Video

Updated: Jul 12, 2026

Conditional Reprogramming of Pediatric Human Esophageal Epithelial Cells for Use in Tissue Engineering and Disease Investigation

Conditional Reprogramming of Pediatric Human Esophageal Epithelial Cells for Use in Tissue Engineering and Disease Investigation

Published on: March 22, 2017

Undifferentiated mesenchymal neoplasm of the esophagus in a child: case report and comparison with gastrointestinal

Jason V Jollimore¹, Mohammed Zamakhshary, Michael Giacomantonio

¹Department of Pathology, IWK Health Centre, Dalhousie University Faculty of Medicine, 5850/5980 University Avenue, P.O. Box 3070, Halifax, Nova Scotia B3J 3G9, Canada.

Pediatric and Developmental Pathology : the Official Journal of the Society for Pediatric Pathology and the Paediatric Pathology Society

|March 18, 2003

Summary

Esophageal mesenchymal neoplasms are rare in children, usually being smooth muscle tumors. This report details a unique case of an undifferentiated mesenchymal neoplasm in a 15-year-old boy, a first for esophageal tumors in any age group.

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Area of Science:

Oncology
Pediatric Pathology
Gastrointestinal Oncology

Background:

Mesenchymal neoplasms of the esophagus are uncommon in adults and rare in children.
Childhood esophageal tumors are predominantly smooth muscle tumors (leiomyomas).

Observation:

A 15-year-old male presented with an undifferentiated mesenchymal neoplasm in the distal esophagus.
The tumor was histologically distinct from a gastrointestinal stromal tumor (GIST).

Findings:

This case represents the first documented instance of an undifferentiated mesenchymal neoplasm in the esophagus.
The rarity highlights the diverse spectrum of pediatric esophageal tumors.

Implications:

This finding expands the understanding of rare esophageal neoplasms in pediatric patients.
Further research is needed to characterize these rare tumors and their potential therapeutic targets.