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Author Spotlight: 3D Scanning and Augmented Reality for Enhanced Cancer Surgery Communication
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Virtual Resection Specimen Interaction Using Augmented Reality Holograms to Guide Margin Communication and Flap

Fabian N Necker1,2, Marcello Chang1, Christoph Leuze1

  • 1Department of Radiology, Incubator for Medical Mixed Reality at Stanford (IMMERS), Stanford University, Palo Alto, California, USA.

Otolaryngology--Head and Neck Surgery : Official Journal of American Academy of Otolaryngology-Head and Neck Surgery
|March 19, 2023
PubMed
Summary
This summary is machine-generated.

This study introduces a novel augmented reality (AR) technique using smartphone 3D scanning and AR glasses for head and neck surgery. This method aids surgeons in precisely locating positive margins and planning reconstructive surgery.

Keywords:
3D scanningHoloLensaugmented realitycomputer-aided surgerycomputer-guided surgical planningdigital anatomydigital pathologyhead-neck cancerhead-neck surgerymicrovascular reconstruction

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Area of Science:

  • Surgical Oncology
  • Medical Imaging
  • Augmented Reality Technology

Background:

  • Complex 3D anatomy in head and neck surgery presents challenges for surgeons in identifying positive margins.
  • Accurate specimen orientation and margin assessment are critical for successful surgical outcomes.

Purpose of the Study:

  • To introduce and evaluate a novel technique utilizing smartphone-based 3D scanning and augmented reality (AR) for intraoperative visualization of resection specimens.
  • To assess the potential of this AR technique in improving margin localization and reconstructive planning in head and neck surgery.

Main Methods:

  • Resection specimens were 3D scanned using a smartphone and annotated using computer-assisted design (CAD) software.
  • Virtual 3D specimen models were visualized on AR glasses, superimposed onto surgical sites.
  • The technique was demonstrated in an operative workshop on a cadaver, with annotations guiding orientation and reconstructive planning.

Main Results:

  • A surgeon successfully projected virtual, annotated specimen models onto a cadaveric resection bed within approximately 10 minutes using AR glasses.
  • The virtual model facilitated orientation and sizing, and was overlaid onto a flap harvest site for reconstructive planning.
  • The technique allows for interactive, sterile inspection of tissue specimens in AR.

Conclusions:

  • This novel AR technique offers a promising solution for improving the accuracy of margin localization in head and neck cancer surgery.
  • The technology has the potential to enhance communication between surgical and pathology teams and assist in complex reconstructive procedures.
  • Interactive AR visualization of surgical specimens can aid surgical orientation and planning, potentially leading to better patient outcomes.