Endobronchial ultrasound elastography

A new method in endobronchial ultrasound-guided transbronchial needle aspiration

Jun Hong Jiang, J. Turner, Jian An Huang

Research output: Contribution to journalArticle

7 Citations (Scopus)

Abstract

Background: TBNA through the flexible bronchoscope is a 37-year-old technology that utilizes a TBNA needle to puncture the bronchial wall and obtain specimens of peribronchial and mediastinal lesions through the flexible bronchoscope for the diagnosis of benign and malignant diseases in the mediastinum and lung. Methods: Since 2002, the Olympus Company developed the first generation ultrasound equipment for use in the airway, initially utilizing an ultrasound probe introduced through the working channel followed by incoroporation of a fixed linear ultrasound array at the distal tip of the bronchoscope. This new bronchoscope equipped with a convex type ultrasound probe on the tip was subsequently introduced into clinical practice. The convex probe (CP)-EBUS allows real-time endobronchial ultrasound-guided transbronchial needle aspiration (EBUS-TBNA) of mediastinal and hilar lymph nodes. EBUS-TBNA is a minimally invasive procedure performed under local anesthesia that has been shown to have a high sensitivity and diagnostic yield for lymph node staging of lung cancer. Results: In 10 years of EBUS development, the Olympus Company developed the second generation EBUS bronchoscope (BF-UC260FW) with the ultrasound image processor (EU-M1), and in 2013 introduced a new ultrasound image processor (EU-M2) into clinical practice. FUJI company has also developed a curvilinear array endobronchial ultrasound bronchoscope (EB-530 US) that makes it easier for the operator to master the operation of the ultrasonic bronchoscope. Also, the new thin convex probe endobronchial ultrasound bronchoscope (TCP-EBUS) is able to visualize one to three bifurcations distal to the current CP-EBUS. Conclusions: The emergence of EBUS-TBNA has also been accompanied by innovation in EBUS instruments. EBUS elastography is, then, a new technique for describing the compliance of structures during EBUS, which may be of use in the determination of metastasis to the mediastinal and hilar lymph nodes. This article describes these new EBUS techniques and reviews the relevant literature.

Original languageEnglish (US)
Pages (from-to)S272-S278
JournalJournal of Thoracic Disease
Volume7
DOIs
StatePublished - Jan 1 2015
Externally publishedYes

Fingerprint

Elasticity Imaging Techniques
Bronchoscopes
Needles
Lymph Nodes
Mediastinum
Local Anesthesia
Punctures
Ultrasonics
Compliance
Lung Neoplasms
Neoplasm Metastasis
Technology
Equipment and Supplies
Lung

All Science Journal Classification (ASJC) codes

  • Pulmonary and Respiratory Medicine

Cite this

Endobronchial ultrasound elastography : A new method in endobronchial ultrasound-guided transbronchial needle aspiration. / Jiang, Jun Hong; Turner, J.; Huang, Jian An.

In: Journal of Thoracic Disease, Vol. 7, 01.01.2015, p. S272-S278.

Research output: Contribution to journalArticle

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