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Evaluation of optical 3D scanning system for radiotherapy use
Scott Crowe1,2,3,4, Jenna Luscombe1, Sarah Maxwell1
1Cancer Care Services, Royal Brisbane and Women's Hospital, Herston, Queensland, Australia.
Journal of Medical Radiation Sciences
|December 8, 2021
Summary
Metrology-grade optical scanners create accurate 3D patient models for radiotherapy devices. This study details their use in designing complex medical devices and generating synthetic CT images for radiation oncology.
Area of Science:
- Medical Physics
- Radiotherapy Technology
Background:
- Optical 3D scanning offers high-resolution, geometrically accurate patient models for clinical applications.
- Metrology-grade structured light scanners are evaluated for radiotherapy medical device design and synthetic CT image generation.
Purpose of the Study:
- To assess the clinical utility of optical 3D scanning in radiation oncology.
- To establish a workflow for designing complex radiotherapy devices using 3D scan data.
Main Methods:
- Device commissioning using known property objects.
- Acquisition of 173 scans from 26 volunteers.
- Collection of subject and operator observations.
Main Results:
- Assessment of device fit for patient-specific radiotherapy tools.
- Identification of a design workflow integrating treatment planning systems.
- Evaluation of synthetic CT image quality for treatment planning.
Conclusions:
- Optical 3D scanning is suitable for producing patient models for radiotherapy devices.
- A practical workflow for device design and synthetic image generation is presented.
- Recommendations are provided for implementing this technology in radiation oncology departments.
