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[External contour acquisition system for radiotherapy: an original solution].
D Létourneau1, F Brochet, R Bohémier
1Service de radio-oncologie, complexe hospitalier de la Sagamie, 305, Saint-Vallier, Chicoutimi, Québec, Canada, G7H 5H6. Daniel.Letourneau@chs02.qc.ca
Summary
A new contour acquisition system accurately measures patient outlines for radiotherapy, eliminating the need for CT scans in some cases. This technology enhances treatment planning by providing precise, transferable contour data.
Area of Science:
- Radiotherapy
- Medical Imaging
- Radiation Oncology
Context:
- Development of advanced contour acquisition systems in radiotherapy.
- Need for efficient patient contour measurement in radiation oncology.
- Sagamie Hospital complex (Chicoutimi, Québec) setting for system implementation.
Purpose:
- To design and implement a contour acquisition system for radiotherapy patients not requiring CT scans.
- To enable electronic or paper transfer of patient contours to treatment planning systems.
Summary:
- A novel contour acquisition system has been developed for radiotherapy at Sagamie Hospital.
- The system measures external patient contours in transversal, sagittal, or coronal views with +/- 1 mm accuracy.
- It facilitates contour data transfer for treatment planning, particularly for patients not needing CT exams.
Impact:
- Improved efficiency in radiotherapy workflow by reducing reliance on CT scans for contouring.
- Enhanced accuracy in patient setup and treatment planning through precise contour data.
- Potential for wider adoption of non-CT-based contouring in radiotherapy protocols.