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Related Experiment Video

Updated: Jul 8, 2026

Substernal Thyroid Biopsy Using Endobronchial Ultrasound-guided Transbronchial Needle Aspiration

Substernal Thyroid Biopsy Using Endobronchial Ultrasound-guided Transbronchial Needle Aspiration

Published on: November 10, 2014

Endobronchial ultrasound.

Francis D Sheski¹, Praveen N Mathur

¹Indiana University School of Medicine, Indianapolis, IN 46202, USA.

|January 12, 2008

Summary

This summary is machine-generated.

Endobronchial ultrasound (EBUS) improves diagnostic yield for solitary pulmonary nodules and mediastinal lymph nodes compared to conventional bronchoscopy. This technique enhances visualization, reducing the need for further diagnostic procedures.

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Systematic Endobronchial Ultrasound - The Six Landmarks Approach

Systematic Endobronchial Ultrasound - The Six Landmarks Approach

Published on: August 11, 2023

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Last Updated: Jul 8, 2026

Substernal Thyroid Biopsy Using Endobronchial Ultrasound-guided Transbronchial Needle Aspiration

Substernal Thyroid Biopsy Using Endobronchial Ultrasound-guided Transbronchial Needle Aspiration

Published on: November 10, 2014

Systematic Endobronchial Ultrasound - The Six Landmarks Approach

Systematic Endobronchial Ultrasound - The Six Landmarks Approach

Published on: August 11, 2023

Area of Science:

Pulmonology
Interventional Pulmonology
Medical Imaging

Background:

Flexible fiberoptic bronchoscopy (FB) traditionally uses fluoroscopy for biopsies.
Transbronchial needle aspiration (TBNA) and brush biopsies are common FB techniques.
Diagnosing solitary pulmonary nodules (SPNs) and mediastinal lymph nodes can be challenging with conventional methods.

Purpose of the Study:

To evaluate the diagnostic yield of Endobronchial Ultrasound (EBUS) compared to conventional flexible fiberoptic bronchoscopy (FB).
To assess the effectiveness of EBUS in sampling solitary pulmonary nodules (SPNs) and mediastinal lymph nodes.
To determine if EBUS improves diagnostic accuracy and reduces the need for additional procedures.

Main Methods:

Two EBUS techniques were described: radial probe (RP) for 360-degree imaging and linear probe for targeted 50-degree imaging.
EBUS was used for biopsies of SPNs and mediastinal lymph nodes.
Comparison was made against conventional FB techniques, including "blind" TBNA.

Main Results:

EBUS demonstrated a higher diagnostic yield than conventional FB for SPNs less than 2 cm.
EBUS showed a higher yield than blind TBNA for most mediastinal and hilar nodal stations.
The procedural code for EBUS is 31620, with reimbursement varying by locality.

Conclusions:

EBUS-directed biopsy significantly improves diagnostic yield for SPNs and mediastinal/hilar nodal stations.
Physician competency in EBUS requires training in ultrasound interpretation and frequent practice.
The improved yield of EBUS reduces the necessity for repeat or additional diagnostic interventions.