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Needle imaging during ultrasound-guided permanent prostate implants
V Feygelman1, J M Pow-Sang, J L Friedland
1H. Lee Moffitt Cancer Center and Research Institute at the University of South Florida, Tampa 33612, USA.
Techniques in Urology
|October 20, 1999
Summary
Reverberation artifacts in ultrasound needle imaging during prostate seed implants help precisely position radioactive seeds. This artifact also verifies the correct number of seeds implanted, enhancing quality assurance.
Area of Science:
- Medical Imaging
- Radiotherapy
- Ultrasound Technology
Background:
- Permanent prostate implants involve radioactive seed placement.
- Accurate seed positioning is critical for effective radiotherapy.
- Ultrasound imaging is used to guide seed placement.
Purpose of the Study:
- To evaluate the utility of reverberation artifacts in ultrasound needle imaging.
- To assess the role of these artifacts in radioactive seed positioning.
- To determine if artifacts can serve as a quality assurance tool.
Main Methods:
- Water phantom experiments were conducted.
- Clinical observations were utilized.
- Ultrasound needle imaging was employed during permanent prostate implants.
Main Results:
- Reverberation artifacts were found to be highly useful for precise radioactive seed localization.
- These artifacts provided an independent method for quality assurance.
- The number of seeds in a strand could be verified using this artifact.
Conclusions:
- Reverberation artifacts are a valuable tool in ultrasound-guided prostate seed implantation.
- The artifact aids in achieving accurate seed placement and ensures implant quality.