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Related Concept Videos

Esophageal Achalasia01:27

Esophageal Achalasia

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)...
Esophageal Strictures-I: Introduction01:30

Esophageal Strictures-I: Introduction

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...
Barrett Esophagus-I: Introduction01:21

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...
Esophagus01:24

Esophagus

The esophagus, a muscular conduit linking the pharynx and stomach, measures roughly 10 inches (25.4 cm) and sits behind the trachea. It remains collapsed when not swallowing. The esophagus follows a predominantly straight path through the thoracic mediastinum and enters the abdominal cavity through a diaphragmatic opening known as the esophageal hiatus.
The movement of edibles from the pharynx into the esophagus is facilitated by the upper esophageal sphincter, which is formed primarily by the...
Barrett Esophagus-II: Clinical Manifestations and Management01:21

Barrett Esophagus-II: Clinical Manifestations and Management

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 entails...
Esophageal Varices-I: Introduction01:24

Esophageal Varices-I: Introduction

Esophageal varices are dilated, tortuous veins which are found mainly in the submucosa of the lower esophagus but which may also appear higher up or extend into the stomach. They develop due to increased pressure in the portal venous system, often as a result of liver cirrhosis. This condition scars and damages the liver, impeding normal blood flow through the portal vein. To compensate, blood seeks alternative pathways, forming fragile new vessels (varices) in the esophagus and stomach. These...

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Related Experiment Video

Updated: Jun 2, 2026

Robotic Enucleation of Esophageal Leiomyoma
04:19

Robotic Enucleation of Esophageal Leiomyoma

Published on: February 20, 2026

Diffuse esophageal leiomyomatosis.

G Crouch1, P G Devitt, S K Thompson

  • 1Discipline of Surgery, University of Adelaide, Adelaide, South Australia, Australia.

Diseases of the Esophagus : Official Journal of the International Society for Diseases of the Esophagus
|April 15, 2011
PubMed
Summary
This summary is machine-generated.

Diagnosing progressive dysphagia can be challenging. This case highlights diffuse esophageal leiomyomatosis as a rare cause, emphasizing the need for thorough investigation in unexplained swallowing difficulties.

Related Experiment Videos

Last Updated: Jun 2, 2026

Robotic Enucleation of Esophageal Leiomyoma
04:19

Robotic Enucleation of Esophageal Leiomyoma

Published on: February 20, 2026

Area of Science:

  • Gastroenterology
  • Oncology
  • Pathology

Background:

  • Progressive dysphagia presents a diagnostic challenge, even with advanced investigations.
  • The etiology of dysphagia is often complex and requires a systematic diagnostic approach.

Observation:

  • A 64-year-old male patient experienced progressive dysphagia and significant weight loss.
  • Initial investigations did not immediately reveal the cause of the patient's symptoms.

Findings:

  • The patient was diagnosed with diffuse esophageal leiomyomatosis after a comprehensive workup.
  • Diffuse esophageal leiomyomatosis is a rare smooth muscle tumor of the esophagus.

Implications:

  • This case underscores the importance of considering rare esophageal conditions in the differential diagnosis of dysphagia.
  • Accurate diagnosis of diffuse esophageal leiomyomatosis is crucial for appropriate patient management and treatment.
  • Further research into the pathogenesis and optimal treatment strategies for esophageal leiomyomatosis is warranted.