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Related Experiment Video

Updated: May 7, 2026

Robotic-assisted Bronchoscopy Combined with Multimodal Imaging for Targeted Lung Cryobiopsies
04:10

Robotic-assisted Bronchoscopy Combined with Multimodal Imaging for Targeted Lung Cryobiopsies

Published on: July 19, 2024

Integrated laser-guided CT biopsy.

Cheng William Hong1, Sheng Xu, Kimberly L Imbesi

  • 1Center for Interventional Oncology, Clinical Center, National Institutes of Health, 10 Center Dr MSC 1182, Bethesda, MD 20892, USA; Lerner College of Medicine, Cleveland Clinic, 9500 Euclid Ave, Cleveland, OH 44195, USA.

Clinical Imaging
|September 17, 2013
PubMed
Summary
This summary is machine-generated.

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A new laser system significantly improves needle accuracy during computed tomography (CT)-guided lung biopsies. This advancement in CT-guided procedures may lead to better patient outcomes by enhancing precise needle placement.

Area of Science:

  • Medical Imaging
  • Surgical Technology
  • Interventional Radiology

Background:

  • Accurate needle insertion is crucial for the diagnostic yield of computed tomography (CT)-guided biopsies.
  • Current standard methods for needle placement can introduce significant angular errors.
  • Improving precision in CT-guided procedures is essential for diagnostic accuracy and patient safety.

Observation:

  • A custom laser-assisted angle selection system was developed and tested during CT-guided lung biopsies.
  • The system was evaluated by measuring off-target errors compared to standard techniques.
  • The laser system was used for pointing the needle towards the target from the skin surface.

Findings:

  • The laser-assisted system reduced the difference between the planned and selected needle angle to 2°.
Keywords:
Angle selectionBiopsyCT guidanceInterventionalLaser guidance

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  • Standard methods resulted in a larger angular deviation of 12°.
  • This demonstrates a substantial improvement in angular accuracy with the laser-assisted approach.

    • Implications:

    • Laser-assisted angle selection systems show potential to enhance the accuracy of needle placement in CT-guided biopsies.
    • Improved accuracy may translate to better diagnostic yields and patient outcomes in needle-based procedures.
    • Further research is needed to confirm these benefits and explore broader applications.