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Related Concept Videos

Endoscopic Studies I: Bronchoscopy and Thoracoscopy01:30

Endoscopic Studies I: Bronchoscopy and Thoracoscopy

Endoscopy is a non-surgical medical technique used to examine a person's internal organs and vessels. This lesson will focus on two types of endoscopic studies: 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 to...
Chronic Obstructive Pulmonary Disease-IV: Assessement and Diagnostic Studies01:27

Chronic Obstructive Pulmonary Disease-IV: Assessement and Diagnostic Studies

Assessing and diagnosing Chronic Obstructive Pulmonary Disease (COPD) involves a detailed approach that includes a comprehensive review of medical history, physical examination, and a variety of diagnostic tests. This thorough evaluation is essential to ensure an accurate diagnosis and guide effective management strategies.
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Endoscopic Procedures I: Esophagogastroduodenoscopy01:29

Endoscopic Procedures I: Esophagogastroduodenoscopy

An Esophagogastroduodenoscopy (EGD) is a diagnostic procedure in which an endoscopist uses a flexible, lighted endoscope to visualize the upper gastrointestinal (GI) tract. The procedure includes visualizing the oropharynx, esophagus, stomach, and the first part of the small intestine, the duodenum.
During an EGD, the endoscope can be used to:
Assessment of Respiration01:23

Assessment of Respiration

The respiratory system's basic structures and primary functions lay the foundation for nurses' comprehensive respiratory assessments. This assessment includes subjective and objective data to gauge the patient's respiratory health.
Subjective Assessment: Nurses interview the patient to gather information directly during the subjective assessment. It includes questions about the individual's medical history, medications, and symptoms, focusing on past respiratory conditions like asthma or COPD,...
Ultrasonography01:17

Ultrasonography

Ultrasonography is an imaging technique that uses high-frequency sound waves to visualize the body's internal structures. It is a non-invasive and safe procedure that does not involve the use of ionizing radiation, making it widely used in various medical fields. Ultrasonography is used to study heart function, blood flow in the neck or extremities, certain conditions such as gallbladder disease, and fetal growth and development.
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Imaging Studies for Cardiovascular System II:Types of Echocardiography01:20

Imaging Studies for Cardiovascular System II:Types of Echocardiography

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Updated: Jun 20, 2026

Using the Endoscope for Endobronchial Ultrasound in the Esophagus
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Using the Endoscope for Endobronchial Ultrasound in the Esophagus

Published on: November 21, 2023

Endosonography in bronchopulmonary disease.

Peter Vilmann1, Jouke Annema, Paul Clementsen

  • 1Surgical Department, Gentofte and Herlev Hospital, University of Copenhagen, Hellerup, Denmark. pevi@geh.regionh.dk

Best Practice & Research. Clinical Gastroenterology
|September 12, 2009
PubMed
Summary

Endoscopic ultrasound (EUS) and endobronchial ultrasound (EBUS) significantly improve mediastinal tissue sampling for diagnosing diseases. These minimally invasive techniques offer high accuracy, revolutionizing patient management, especially for lung cancer staging.

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Using the Endoscope for Endobronchial Ultrasound in the Esophagus
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Substernal Thyroid Biopsy Using Endobronchial Ultrasound-guided Transbronchial Needle Aspiration
10:19

Substernal Thyroid Biopsy Using Endobronchial Ultrasound-guided Transbronchial Needle Aspiration

Published on: November 10, 2014

Area of Science:

  • Pulmonology
  • Gastroenterology
  • Oncology
  • Diagnostic Imaging

Background:

  • Diagnostic challenges in mediastinal diseases historically required invasive procedures.
  • Mediastinal disease diagnosis relies on imaging and tissue sampling.
  • Minimally invasive techniques are crucial for accurate diagnosis and patient management.

Purpose of the Study:

  • To review the role of endosonography in diagnosing bronchopulmonary diseases.
  • To focus on endosonographically guided biopsy via the esophagus and trachea.
  • To highlight the impact of EBUS and EUS on mediastinal staging and patient management.

Main Methods:

  • Endoscopic ultrasound-guided fine-needle aspiration (EUS-FNA).
  • Endobronchial ultrasound-guided transbronchial needle aspiration (EBUS-TBNA).
  • Review of studies including randomized trials and meta-analyses on EUS and EBUS efficacy.

Main Results:

  • EUS-FNA and EBUS-TBNA provide adequate specimens in over 95% of cases.
  • High diagnostic accuracy with specificity near 100% and sensitivity between 88-96%.
  • Significant impact on patient management for lung cancer and mediastinal lesions.

Conclusions:

  • EUS and EBUS have revolutionized mediastinal tissue sampling, offering minimally invasive access.
  • These techniques enable comprehensive echo-endoscopic staging of lung cancer.
  • Combined EUS and EBUS allow access to most mediastinal nodes and relevant organs for staging.