Advances for Pulmonary Functional Imaging: Dual-Energy Computed Tomography for Pulmonary Functional Imaging
Abstract
:1. Introduction
2. Basics of Dual-Energy CT
2.1. Basic Principles of Dual-Energy CT
2.2. Dual-Energy CT Scanners
2.2.1. Dual-Source CT
2.2.2. Rapid kVp Switching CT
2.2.3. Dual-Layer Detector CT
2.2.4. Split-Filter CT
3. Clinical Application of Dual-Energy CT for Pulmonary Functional Imaging
3.1. Iodine Imaging
3.1.1. Perfused Blood Volume in the Lung
3.1.2. Virtual Monochromatic Imaging
3.1.3. Iodine Imaging for Thoracic Oncology
3.2. Xenon Imaging
4. Conclusions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Conflicts of Interest
References
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Techniques of DE Imaging | Dual-Source | Rapid kVp Switching | Dual-Layer Detector | Split-Filter |
---|---|---|---|---|
Number of X-ray sources | 2 | 1 | 1 | 1 |
Number of detectors | 2 | 1 | 1, layered | 1 |
FOV (cm) | 26, 33, 35.5 * | 50 | 50 | 50 |
DECT analysis methods | Image-based | Raw-data-based | Raw-data-based | Image-based |
Spectral separation | Good | Good | Good | Limited |
Cross-scatter | Yes | No | No | Yes |
Tube filtration | Yes | No | No | Yes |
Tube current optimization for each energy bin | Yes | No | No | No |
Temporal registration for DE imaging | Fair | Good | Excellent | Poor |
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Ozawa, Y.; Ohno, Y.; Nagata, H.; Tamokami, K.; Nishikimi, K.; Oshima, Y.; Hamabuchi, N.; Matsuyama, T.; Ueda, T.; Toyama, H. Advances for Pulmonary Functional Imaging: Dual-Energy Computed Tomography for Pulmonary Functional Imaging. Diagnostics 2023, 13, 2295. https://doi.org/10.3390/diagnostics13132295
Ozawa Y, Ohno Y, Nagata H, Tamokami K, Nishikimi K, Oshima Y, Hamabuchi N, Matsuyama T, Ueda T, Toyama H. Advances for Pulmonary Functional Imaging: Dual-Energy Computed Tomography for Pulmonary Functional Imaging. Diagnostics. 2023; 13(13):2295. https://doi.org/10.3390/diagnostics13132295
Chicago/Turabian StyleOzawa, Yoshiyuki, Yoshiharu Ohno, Hiroyuki Nagata, Keigo Tamokami, Keitaro Nishikimi, Yuka Oshima, Nayu Hamabuchi, Takahiro Matsuyama, Takahiro Ueda, and Hiroshi Toyama. 2023. "Advances for Pulmonary Functional Imaging: Dual-Energy Computed Tomography for Pulmonary Functional Imaging" Diagnostics 13, no. 13: 2295. https://doi.org/10.3390/diagnostics13132295