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Related Concept Videos

Barrett Esophagus-II: Clinical Manifestations and Management01:21

Barrett Esophagus-II: Clinical Manifestations and Management

250
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...
250
Esophageal Strictures-II: Clinical Features and Management01:26

Esophageal Strictures-II: Clinical Features and Management

139
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...
139
Esophageal Strictures-I: Introduction01:30

Esophageal Strictures-I: Introduction

230
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...
230
Esophageal Varices-II: Clinical Features and Management01:28

Esophageal Varices-II: Clinical Features and Management

116
Esophageal varices often manifest as gastrointestinal bleeding episodes, presenting symptoms like hematemesis (vomiting of blood), hematochezia (passing fresh blood via the rectum), and melena (black, tarry stools). Other signs can include weight loss, anorexia, abdominal discomfort, jaundice, pruritus, altered mental status, and muscle cramps.
In the initial assessment, a thorough review of the patient's medical history is vital to identify risk factors such as liver disease, alcohol...
116
Barrett Esophagus-I: Introduction01:21

Barrett Esophagus-I: Introduction

154
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...
154
Esophagus01:24

Esophagus

1.1K
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...
1.1K

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Related Experiment Video

Updated: Aug 14, 2025

Modeling Oral-Esophageal Squamous Cell Carcinoma in 3D Organoids
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Defining conversion therapy for esophageal squamous cell carcinoma.

Satoru Matsuda1, Takahiro Tsushima2, Ken Kato3

  • 1Deepartment of Surgery Keio University School of Medicine Tokyo Japan.

Annals of Gastroenterological Surgery
|January 16, 2023
PubMed
Summary

Experts reached a consensus on conversion therapy, defining it as curative surgery or chemoradiotherapy (CRT) for unresectable tumors. This approach targets advanced cancers initially deemed incurable.

Keywords:
conversion surgeryconversion therapyesophageal squamous cell carcinoma

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Area of Science:

  • Oncology
  • Surgical Oncology
  • Radiation Oncology

Background:

  • A multimodality treatment conference convened East Asian experts to establish a consensus on conversion therapy.
  • Tumors initially unresectable due to adjacent organ invasion or distant metastasis were the focus.

Discussion:

  • Conversion therapy was defined as surgical or chemoradiotherapy (CRT) interventions.
  • The goal of this therapy is to achieve a cure in patients with advanced or unresectable malignancies.

Key Insights:

  • Consensus reached on the definition and application of conversion therapy in oncology.
  • Standardized definition facilitates consistent treatment approaches for complex cancer cases.

Outlook:

  • Potential for improved patient outcomes through standardized conversion therapy protocols.
  • Further research may refine indications and optimize multimodal strategies for unresectable tumors.