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Related Experiment Video

Updated: May 18, 2026

Technical Approach for Infrared Tracking for Soft Tissue Navigation with a Holographic Head-Mounted Display and Preclinical Validation

Technical Approach for Infrared Tracking for Soft Tissue Navigation with a Holographic Head-Mounted Display and Preclinical Validation

Published on: September 2, 2025

Joint-preserving tumor resection and reconstruction using image-guided computer navigation.

Kwok Chuen Wong¹, Shekhar Madhukar Kumta

¹Department of Orthopaedics and Traumatology, Prince of Wales Hospital, The Chinese University of Hong Kong, Shatin, Hong Kong. skcwong@ort.cuhk.edu.hk

Clinical Orthopaedics and Related Research

|September 6, 2012

Summary

Image-guided navigation enables accurate joint-preserving surgery for bone sarcomas, preserving native joint function with no local recurrences observed in a small patient cohort.

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Area of Science:

Orthopedic oncology
Surgical navigation technology
Image-guided surgery

Background:

Joint-preserving surgery aims to retain native joint function in patients with bone sarcomas.
Achieving adequate surgical margins is critical but challenging for tumors near joint surfaces.
Translating preoperative imaging tumor margins to the operative field is difficult.

Purpose of the Study:

To determine if joint-preserving tumor surgery can be accurately performed using image-guided computer navigation.
To evaluate local recurrence rates, joint function, and complications associated with this approach.

Main Methods:

Retrospective study of eight patients with bone sarcomas of the extremities treated with navigation surgery.
Fused computed tomography (CT) and magnetic resonance (MR) images were used for navigation.

Related Experiment Videos

Last Updated: May 18, 2026

Technical Approach for Infrared Tracking for Soft Tissue Navigation with a Holographic Head-Mounted Display and Preclinical Validation

Technical Approach for Infrared Tracking for Soft Tissue Navigation with a Holographic Head-Mounted Display and Preclinical Validation

Published on: September 2, 2025

Resection accuracy was assessed by comparing cross-sections with prosthesis templates in six patients.

Main Results:

Resection accuracy was high, with deviations of 2 mm or less compared to planned dimensions for custom prostheses.
No local recurrences were observed at the latest follow-up.
The mean Musculoskeletal Tumor Society score was 29, indicating good functional outcomes.
No complications related to navigation or fixation failure were reported.

Conclusions:

Computer-assisted navigation facilitates precise planning and execution of joint-preserving tumor resections.
This approach can lead to accurate reconstructions and good functional outcomes in selected patients.
Further investigation with larger patient populations is warranted.