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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...
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.
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Endoscopic Procedures V: ERCP01:26

Endoscopic Procedures V: ERCP

Endoscopic Retrograde Cholangiopancreatography (ERCP) is a diagnostic procedure that combines endoscopy and fluoroscopy to diagnose and treat conditions related to the bile ducts, pancreatic ducts, and gallbladder. This procedure is beneficial for identifying and addressing blockages, gallstones, strictures, and tumors within the biliary or pancreatic systems. ERCP is both diagnostic and therapeutic, offering the ability to visualize and treat identified problems in one session.
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Related Experiment Video

Updated: May 24, 2026

Use of Electromagnetic Navigational Transthoracic Needle Aspiration (E-TTNA) for Sampling of Lung Nodules
06:03

Use of Electromagnetic Navigational Transthoracic Needle Aspiration (E-TTNA) for Sampling of Lung Nodules

Published on: May 23, 2015

Electromagnetic navigation bronchoscopy (ENB): Increasing diagnostic yield.

B Lamprecht1, P Porsch, B Wegleitner

  • 1Department of Pulmonary Medicine, Paracelsus Medical University Hospital, Muellner Hauptstrasse 48, A-5020 Salzburg, Austria. b.lamprecht@salk.at

Respiratory Medicine
|March 7, 2012
PubMed
Summary
This summary is machine-generated.

Bronchoscopic biopsy (ENB) combined with imaging and rapid on-site evaluation (ROSE) effectively diagnoses lung nodules. Diagnostic yield improves with experience, showing ENB is a safe and effective alternative to CT-guided biopsies.

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Use of Electromagnetic Navigational Transthoracic Needle Aspiration (E-TTNA) for Sampling of Lung Nodules
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Area of Science:

  • Pulmonology
  • Thoracic Surgery
  • Diagnostic Imaging

Background:

  • Solitary pulmonary lesions require accurate diagnosis for appropriate patient management.
  • Electromagnetic navigation bronchoscopy (ENB) is an evolving technique for peripheral lung lesion biopsy.
  • Factors influencing the diagnostic yield of ENB require further elucidation.

Purpose of the Study:

  • To identify factors associated with the diagnostic yield of electromagnetic navigation bronchoscopy (ENB).
  • To evaluate the efficacy and safety of ENB in diagnosing solitary pulmonary lesions.
  • To compare ENB diagnostic yield with lesion characteristics and operator experience.

Main Methods:

  • A prospective study of 112 patients with solitary pulmonary lesions.
  • Diagnostic work-up included FDG-PET-CT, ENB with ROSE, and histopathological confirmation.
  • Data analysis focused on diagnostic yield, lesion characteristics, and complication rates.

Main Results:

  • The combined approach achieved an 83.9% diagnostic yield.
  • Diagnostic yield increased with operator experience (80% to 87.5%).
  • Yield was higher for larger lesions (>20mm) but not significantly different based on location or lung function; complication rate was low (1.8% pneumothorax).

Conclusions:

  • ENB, particularly with ROSE and PET-CT, is a highly effective tool for diagnosing solitary pulmonary lesions.
  • Operator experience significantly improves diagnostic yield.
  • ENB offers comparable diagnostic yield to CT-guided biopsies with a lower complication rate.