New Method for Measuring Scattered Radiation in 64-Slice CT Scanners
Author Information
Author(s): Akbarzadeh A, Ay MR, Ghadiri H, Sarkar S, Zaidi H
Primary Institution: Department of Biomedical Imaging, Faculty of Medicine, University of Malaya, Malaysia
Hypothesis
Can a new method using dedicated blockers improve the measurement of scatter radiation in 64-slice CT scanners?
Conclusion
The method developed within this study is applicable to any measurement and is direct with minimal complexity.
Supporting Evidence
- The method allows for the measurement of scatter radiation in multiple detector rows, improving upon previous single measurement methods.
- Results showed that increasing tube voltage reduced the scatter-to-primary ratio significantly.
- The study utilized a 64-slice CT scanner manufactured by GE Healthcare Technologies.
Takeaway
This study found a new way to measure scattered radiation in CT scans, which helps make the images clearer and more accurate.
Methodology
A lead blocker array was installed beneath the collimator of a 64-slice CT scanner to measure scatter profiles and scatter-to-primary ratios.
Limitations
The method may have limitations related to the specific setup and conditions under which measurements were taken.
Digital Object Identifier (DOI)
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