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Bronchoscopic navigation and tissue diagnosis

  • Tsukasa Ishiwata
  • Alexander Gregor
  • Terunaga Inage
  • Kazuhiro YasufukuEmail author
Current Topics Review Article

Abstract

Diagnosis of early-stage lung cancer has become increasingly important as the detection of peripheral pulmonary lesions (PPLs) grows with widespread adoption of CT-based lung cancer screening. Although CT-guided transthoracic needle aspiration has been the standard diagnostic approach for PPLs, transbronchial sampling by bronchoscopy is often performed due to its reduced rate of adverse events. However, the diagnostic yield of conventional bronchoscopy is often poor. Various bronchoscopic technologies have emerged over recent years to address this limitation, including thin/ultrathin bronchoscopes, radial probe endobronchial ultrasound (RP-EBUS), virtual navigation bronchoscopy (VBN), electromagnetic navigation bronchoscopy (ENB), and robotic bronchoscopy. Bronchoscopic transparenchymal nodule access (BTPNA) and transbronchial access tool (TBAT) are novel techniques that leverage navigational bronchoscopic technologies to further improve access to lesions throughout the lung. The devices used for sampling tissue have similarly evolved, such as the introduction of cryobiopsy. These innovative bronchoscopic techniques allows higher diagnostic yield even in small PPLs. Given the complexity of these new techniques and technologies, it is important for physicians to understand their strengths and limitations.

Keywords

Navigational bronchoscopy Virtual bronchoscopic navigation Electromagnetic navigation bronchoscopy Robotic bronchoscopy 

Notes

Compliance with ethical standards

Conflict of interest

Kazuhiro Yasufuku received research funding from Olympus Corporation and Zidan Medical Inc.

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Copyright information

© The Japanese Association for Thoracic Surgery 2019

Authors and Affiliations

  • Tsukasa Ishiwata
    • 1
  • Alexander Gregor
    • 1
  • Terunaga Inage
    • 1
  • Kazuhiro Yasufuku
    • 1
    Email author
  1. 1.Division of Thoracic SurgeryToronto General Hospital, University Health Network 200, University of TorontoTorontoCanada

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