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Related Concept Videos

Esophageal Strictures-I: Introduction01:30

Esophageal Strictures-I: Introduction

1.1K
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...
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Esophagus01:24

Esophagus

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

Esophageal Strictures-II: Clinical Features and Management

818
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...
818
Barrett Esophagus-II: Clinical Manifestations and Management01:21

Barrett Esophagus-II: Clinical Manifestations and Management

1.3K
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...
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Esophageal Varices-I: Introduction01:24

Esophageal Varices-I: Introduction

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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: Mar 9, 2026

Development of Compendium for Esophageal Squamous Cell Carcinoma
03:36

Development of Compendium for Esophageal Squamous Cell Carcinoma

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Esophageal Cancer.

Matthew W Short1, Kristina G Burgers2, Vincent T Fry3

  • 1Madigan Army Medical Center, Tacoma, WA, USA.

American Family Physician
|January 12, 2017
PubMed
Summary
This summary is machine-generated.

Esophageal cancer, including squamous cell carcinoma and adenocarcinoma, has a high mortality rate. Early evaluation with endoscopy for symptoms like dysphagia is crucial for timely diagnosis and treatment.

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Modeling Oral-Esophageal Squamous Cell Carcinoma in 3D Organoids
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Establishment and Histological Analysis of Esophageal Organoids Modeling the Progression from Normal to Cancerous Tissues
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Establishment and Histological Analysis of Esophageal Organoids Modeling the Progression from Normal to Cancerous Tissues

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Last Updated: Mar 9, 2026

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Modeling Oral-Esophageal Squamous Cell Carcinoma in 3D Organoids
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Establishment and Histological Analysis of Esophageal Organoids Modeling the Progression from Normal to Cancerous Tissues
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Area of Science:

  • Gastroenterology and Oncology

Background:

  • Esophageal cancer presents a significant health challenge with high mortality rates.
  • Two main types, squamous cell carcinoma and adenocarcinoma, dominate diagnoses.
  • Risk factors vary globally, including smoking, alcohol, achalasia, GERD, and obesity.

Purpose of the Study:

  • To provide an overview of esophageal cancer epidemiology, risk factors, and clinical presentation.
  • To outline current diagnostic and staging methodologies.
  • To describe treatment strategies based on tumor resectability and stage.

Main Methods:

  • Review of epidemiological data and risk factors for esophageal cancer.
  • Description of diagnostic procedures including endoscopy, PET-CT, and endoscopic ultrasonography.
  • Summary of treatment modalities from endoscopic resection to palliative care.

Main Results:

  • Esophageal cancer has a poor prognosis, with significant projected cases and deaths.
  • Dysphagia and weight loss are common symptoms, but early stages can be asymptomatic.
  • Staging involves PET-CT and endoscopic ultrasonography for accurate treatment planning.

Conclusions:

  • Early endoscopic evaluation is recommended for patients with concerning symptoms.
  • Treatment is tailored to resectability, ranging from endoscopic resection to multimodal therapy.
  • Currently, no proven prevention strategies or screening recommendations exist for esophageal cancer.