Improvement of Quantitative Single-Photon Emission Computed Tomography Image Quality by the New Step-and-Shoot Scan Mode
Abstract
:Simple Summary
Abstract
1. Introduction
2. Materials and Methods
2.1. Phantom Study
2.2. SPECT/CT Image Acquisition and Reconstruction
2.3. Phantom Study Data Analyses
2.3.1. Count Rate
2.3.2. CNR
2.3.3. %CV
2.4. Clinical Case
3. Results
3.1. Phantom Study
3.1.1. Count Rate
3.1.2. CNR
3.1.3. %CV
3.2. Clinical Case
4. Discussion
5. Conclusions
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Conflicts of Interest
References
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Correction Methods | BG | Sphere Size [mm] | ||||
---|---|---|---|---|---|---|
13 | 17 | 22 | 28 | 37 | ||
AC | 43.7 | 56.1 | 46.5 | 41.6 | 33.2 | 43.0 |
ACSC | 43.8 | 61.8 | 42.8 | 44.2 | 32.2 | 42.6 |
ACRR | 44.0 | 57.8 | 47.5 | 42.6 | 33.7 | 41.8 |
ACSCRR | 43.0 | 66.4 | 50.4 | 45.5 | 33.4 | 42.2 |
(unit: %) |
Correction Methods | Sphere Size [mm] | ||||
---|---|---|---|---|---|
13 | 17 | 22 | 28 | 37 | |
AC | 42.1 | 11.1 | 5.1 | −3.0 | 6.6 |
ACSC | 48.3 | 5.7 | 7.3 | −4.0 | 5.8 |
ACRR | 33.7 | 11.8 | 6.2 | −2.1 | 5.4 |
ACSCRR | 57.8 | 19.6 | 12.9 | 1.5 | 9.8 |
(unit: %) |
Correction Methods | Sphere Size [mm] | ||||
---|---|---|---|---|---|
13 | 17 | 22 | 28 | 37 | |
AC | 0.9 | 0.8 | 0.7 | 0.6 | 1.3 |
ACSC | 1.1 | 0.4 | 0.9 | 0.7 | 1.0 |
ACRR | 1.4 | 1.1 | 1.3 | 0.5 | 1.2 |
ACSCRR | 1.8 | 1.7 | 2.5 | 0.4 | 2.2 |
Scan Mode | Correction Methods | Tumor | Normal Bone | CNR | ||
---|---|---|---|---|---|---|
Mean Count | SD | Mean Count | SD | |||
SS | AC | 122.3 | 16.7 | 48.4 | 7.0 | 10.6 |
ACSC | 102.1 | 17.4 | 33.7 | 6.7 | 10.3 | |
ACRR | 774.9 | 89.5 | 275.0 | 45.7 | 10.9 | |
ACSCRR | 701.4 | 88.5 | 227.6 | 43.2 | 11.0 | |
SSC | AC | 178.6 | 19.4 | 73.3 | 10.0 | 10.5 |
ACSC | 153.9 | 18.4 | 54.2 | 9.7 | 10.2 | |
ACRR | 1146.4 | 120.6 | 409.6 | 65.8 | 11.2 | |
ACSCRR | 1038.4 | 129.6 | 337.9 | 58.1 | 12.1 |
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Yamamoto, H.; Sasaki, A.; Osaka, M.; Shirakawa, K.; Seino, M.; Matsuhashi, T.; Takahashi, Y.; Zeniya, T.; Hosokawa, S.; Narita, M.; et al. Improvement of Quantitative Single-Photon Emission Computed Tomography Image Quality by the New Step-and-Shoot Scan Mode. Radiation 2022, 2, 168-176. https://doi.org/10.3390/radiation2020012
Yamamoto H, Sasaki A, Osaka M, Shirakawa K, Seino M, Matsuhashi T, Takahashi Y, Zeniya T, Hosokawa S, Narita M, et al. Improvement of Quantitative Single-Photon Emission Computed Tomography Image Quality by the New Step-and-Shoot Scan Mode. Radiation. 2022; 2(2):168-176. https://doi.org/10.3390/radiation2020012
Chicago/Turabian StyleYamamoto, Hiroki, Ami Sasaki, Mizuki Osaka, Koji Shirakawa, Morio Seino, Takaaki Matsuhashi, Yasuyuki Takahashi, Tsutomu Zeniya, Shota Hosokawa, Masataka Narita, and et al. 2022. "Improvement of Quantitative Single-Photon Emission Computed Tomography Image Quality by the New Step-and-Shoot Scan Mode" Radiation 2, no. 2: 168-176. https://doi.org/10.3390/radiation2020012