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Getting the Most From Your Dual-Energy Scanner: Recognizing, Reducing, and Eliminating Artifacts
Tyler M Coupal1, Paul I Mallinson1, Sharon L Gershony1
11 All authors: Radiology Department, Vancouver General Hospital, 899 W 12th Ave, Vancouver, BC V5Z 1M9, Canada.
AJR. American Journal of Roentgenology
|December 25, 2015
Summary
Dual-energy CT (DECT) offers superior imaging for pulmonary embolism, gout, and metal prostheses compared to conventional CT. This review details DECT protocols, diagnostic standards, and artifact reduction techniques for enhanced clinical utility.
Area of Science:
- Radiology and Medical Imaging
- Advanced Diagnostic Techniques
Background:
- Conventional CT has limitations in specific diagnostic scenarios.
- Dual-energy CT (DECT) presents an advancement in imaging technology.
Purpose of the Study:
- To review and describe DECT protocols.
- To compare DECT performance against diagnostic reference standards.
- To outline methods for artifact recognition and reduction in DECT.
Main Methods:
- Literature review of DECT applications.
- Comparison of DECT protocols with established diagnostic benchmarks.
- Analysis of DECT artifact mitigation strategies.
Main Results:
- DECT demonstrates superior detection of pulmonary embolism.
- Enhanced visualization of urate crystals in gout is achievable with DECT.
- DECT provides improved assessment of metal prostheses compared to conventional CT.
Conclusions:
- DECT protocols offer significant advantages in specific clinical applications.
- Understanding and managing DECT artifacts is crucial for maximizing diagnostic accuracy.
- DECT represents a valuable tool for improving patient diagnosis and management.
