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Updated: Jul 13, 2026
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A New Technique for Treating Low-risk Prostate Cancer—Super Active Surveillance
Published on: November 7, 2025
Prostate cancer: image guidance and adaptive therapy
Patrick Kupelian1, John L Meyer
1Department of Radiation Oncology, MD Anderson Cancer Center Orlando, Orlando, Fla., USA.
Frontiers of Radiation Therapy and Oncology
|July 21, 2007
Summary
Image-guided radiation therapy uses various imaging methods to precisely target tumors during treatment. Evaluating these techniques is crucial for effective prostate cancer radiation therapy due to anatomical variations.
Area of Science:
- Radiation oncology and medical imaging.
Background:
- Image-guided radiation therapy (IGRT) enhances treatment accuracy by imaging patients in the treatment position.
- Prostate cancer radiation therapy is sensitive to anatomical variations, necessitating precise targeting.
- Various imaging modalities are available for IGRT, each with unique characteristics.
Purpose of the Study:
- To review and evaluate different imaging techniques used in image-guided radiation therapy.
- To assess the workflow and capabilities of each imaging system for clinical application.
Main Methods:
- Review of imaging techniques including transabdominal ultrasound, X-rays (with and without fiducials), kilovoltage CT, megavoltage CT, and in-room MRI.
- Individual evaluation of the workflow and capabilities of each imaging system.
Main Results:
- Different imaging techniques offer varying levels of visualization and precision for target localization.
- The choice of imaging modality impacts treatment planning and delivery efficiency.
- Intraprostatic fiducials can improve accuracy for X-ray based image guidance.
Conclusions:
- Each imaging technique for IGRT has distinct advantages and limitations.
- Systematic evaluation of imaging systems is essential for optimizing prostate cancer radiation therapy.
- Further investigation into the workflow and capabilities of each modality is warranted.
