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Updated: May 18, 2026
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Novel In Vivo Micro-Computed Tomography Imaging Techniques for Assessing the Progression of Non-Alcoholic Fatty Liver Disease
Published on: March 24, 2023
[The protocol of dose reduction in liver perfusion computed tomography]
Tomoya Nakano1, Toshiya Nasada, Wataru Joumoto
1Department of Clinical Radiology, The Hospital of Hyogo College of Medicine.
Nihon Hoshasen Gijutsu Gakkai Zasshi
|September 15, 2012
Summary
Liver perfusion CT scans can be optimized to reduce patient radiation dose. Reducing scan data significantly lowers radiation exposure without impacting diagnostic accuracy, making the procedure safer.
Area of Science:
- Medical Imaging
- Radiology
- Computed Tomography
Context:
- Abdominal perfusion CT, particularly liver perfusion CT, faces challenges due to irradiation limits and respiratory motion.
- The widespread adoption of multi-detector row CT (MDCT) has increased the feasibility of abdominal perfusion imaging.
- High patient radiation dose remains a significant concern for liver perfusion CT procedures.
Purpose:
- To investigate methods for reducing patient radiation dose during liver perfusion CT.
- To evaluate the impact of reduced scan data on the diagnostic accuracy of liver perfusion CT analysis.
Summary:
- Virtual data was created by reducing the amount of irradiation data obtained during liver perfusion CT.
- Analysis results from the reduced data set were compared to those from the complete data set.
- No significant differences were found between the analysis results of the complete and reduced data sets.
Impact:
- Demonstrates that reducing scan data can effectively lower patient radiation dose in liver perfusion CT.
- Suggests a viable strategy for making liver perfusion CT safer for patients.
- Supports the wider clinical application of liver perfusion CT by addressing dose concerns.
