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Updated: Aug 6, 2026
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Evaluating Targeting Accuracy in the Focal Plane for an Ultrasound-guided High-intensity Focused Ultrasound Phased-array System
Published on: March 6, 2019
[High precision radiotherapy with ultrasonic imaging guidance]
K Peignaux1, G Créhange, G Truc
1Département de radiothérapie, centre Georges-François-Leclerc, 1, rue du Professeur-Marion, 21079 Dijon cedex, France. kpeignaux@dijon.fnclcc.fr
Summary
Conformal radiation therapy is standard for prostate cancer. New ultrasound technology improves treatment accuracy by correcting prostate motion and setup errors, enhancing patient outcomes.
Area of Science:
- Radiation oncology
- Medical imaging
Background:
- Conformal radiation therapy (CRT) is a standard treatment for localized prostate cancer, enabling dose escalation.
- Effective CRT requires precise target volume delineation, dosimetry, and treatment reproducibility.
- Recent advancements include ultrasound systems for daily prostate visualization.
Purpose of the Study:
- To evaluate the impact of real-time ultrasound guidance on prostate cancer radiotherapy.
- To assess the potential of non-invasive ultrasound to improve treatment accuracy.
Main Methods:
- Utilized advanced ultrasound systems for direct daily visualization of the prostate during treatment.
- Employed the technique to correct for prostate organ motion and patient setup errors.
Main Results:
- Ultrasound guidance allows for real-time adjustments to the radiation delivery.
- Correction of organ motion and setup errors was successfully achieved.
- Treatment accuracy was significantly increased compared to conventional methods.
Conclusions:
- Real-time ultrasound guidance is a valuable tool for enhancing the accuracy of conformal radiation therapy for prostate cancer.
- This non-invasive approach improves treatment precision by addressing key sources of error.
- Further integration of ultrasound technology can optimize prostate cancer radiotherapy outcomes.
