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A CT-based simulation for head and neck tumors in centers without CT-simulator and 3D-planning system
A Rovirosa1, J Berenguer, A Sánchez-Reyes
1Radiation Oncology Department, Hospital Clinic I Universitari of Barcelona, Spain.
Summary
This study introduces a CT-based simulation for head and neck tumor radiotherapy. The technique improves gross tumor volume accuracy and optimizes treatment planning for better patient outcomes.
Area of Science:
- Radiotherapy and Medical Imaging
Background:
- Optimizing radiotherapy for head and neck tumors requires precise tumor volume delineation.
- Current methods may have limitations in accurately defining the gross tumoral volume (GTV).
Observation:
- A novel CT-based simulation technique utilizing hyperdense markers on an immobilization device was developed.
- Real-size CT slices were acquired at 5 mm intervals with patients in treatment position.
Findings:
- The simulation technique provides a more accurate assessment of the gross tumoral volume.
- This method allows for significant optimization of radiotherapy treatment planning.
Implications:
- Enhanced accuracy in GTV determination can lead to more effective radiotherapy delivery.
- Improved treatment planning may reduce side effects and improve patient outcomes in head and neck cancer care.