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Related Experiment Video

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Technical Approach for Infrared Tracking for Soft Tissue Navigation with a Holographic Head-Mounted Display and Preclinical Validation
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A computer-assisted navigation technique to perform bone tumor resection without dedicated software.

Carmine Zoccali1, Christina M Walter2, Leonardo Favale3

  • 1a Oncological Orthopedics Department , Musculo-skeletal Tissue Bank, IFO - Regina Elena National Cancer Institute , Rome , Italy.

Computer Assisted Surgery (Abingdon, England)
|December 16, 2016
PubMed
Summary
This summary is machine-generated.

This study introduces a novel technique for bone tumor resection using general spine navigation software. The method enhances surgical precision and margin control, making advanced navigation accessible beyond specialized centers.

Keywords:
Navigationbone tumortumor resectionwide margin

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Area of Science:

  • Oncological Orthopedics
  • Surgical Navigation
  • Medical Technology

Background:

  • Navigation systems for oncological orthopedics are often restricted to specialized centers due to the need for expensive, specific software.
  • This limitation hinders wider adoption of advanced surgical guidance in bone tumor resection.

Purpose of the Study:

  • To present a cost-effective technique for bone tumor resection using general spine navigation software.
  • To enable tumor resection in various bone segments without specialized software.

Main Methods:

  • A two-stage surgical approach involving screw insertion as landmarks during the primary surgery.
  • Utilizing a CT scan of the bone segment for navigation guidance in a second surgery for tumor resection.
  • Application of the technique in four selected cases, evaluating resolution, margin quality, and control.

Main Results:

  • Achieved 1 mm resolution in all cases.
  • Navigation provided precise control of osteotomies, enabling desired wide margin resection.
  • No intraoperative complications were reported, and all patients remained disease-free at an average follow-up of 25.5 months.

Conclusions:

  • The technique effectively utilizes screws as landmarks to enable navigation system recognition of any bone segment.
  • Optimal accuracy and resolution are achieved with more screws (minimum four, recommended five distant landmarks).
  • Despite requiring two surgeries and larger exposure, the improved margin control justifies its use in centers lacking intraoperative CT or dedicated bone tumor software.