Related Experiment Video
Updated: Mar 1, 2026

Author Spotlight: Advancing Biopsy Techniques with Transesophageal Ultrasound
Published on: November 21, 2023
A case of esophageal tuberculosis with unusual endoscopic feature
Yi-Xuan Li1, Wei-Dong Nian2, Hua-Hong Wang1
1Department of Gastroenterology, Peking University First Hospital, Peking University, No. 8 Xi Shi Ku Street, 100034 Beijing, Xicheng District, China.
Abstract:
A 59-year-old man experienced epigastric pain and an upper gastrointestinal endoscopy revealed a bulging lesio n 0.5×0.6cm in size in the middle esophagus. EUS showed a homogenous hypoechoic lesion, which interrupted the five layers structure of esophageal wall. Biopsies revealed epithelioid granuloma with central caseous necrosis and several acid-fast bacilli.
More Related Videos
Related Concept Videos
Esophageal Strictures-II: Clinical Features and Management
Healthcare providers should gather a comprehensive medical history and conduct a physical examination for diagnosis. If esophageal stricture is...
Esophageal Strictures-I: Introduction
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...
Endoscopic Procedures I: Esophagogastroduodenoscopy
During an EGD, the endoscope can be used to:
Esophageal Perforation-II: Clinical Manifestations and Management
Clinical Manifestations:
Endoscopic Studies I: Bronchoscopy and Thoracoscopy
Bronchoscopy
Description
Bronchoscopy is a procedure that involves direct visualization of the larynx, trachea, and bronchi for diagnostic and therapeutic purposes. A flexible fiber optic or rigid bronchoscope is used to carry out the procedure. The fiber-optic bronchoscope is more frequently used due...
Barrett Esophagus-II: Clinical Manifestations and Management
To diagnose Barrett's esophagus, healthcare providers often recommend an endoscopy for those showing symptoms of acid reflux. The procedure...

