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http://dx.doi.org/10.7742/jksr.2018.12.5.593

Analysis for Correlation of Standardized Uptake Value in Fusion Imaging Scanner  

Kim, Jin-Eui (Department of Radiological Science, Dongshin University)
Kim, Jung-Soo (Department of Radiological Technology, Dongnam Health University)
Choi, Nam-Gil (Department of Radiological Science, Dongshin University)
Han, Jae-Bok (Department of Radiological Science, Dongshin University)
Publication Information
Journal of the Korean Society of Radiology / v.12, no.5, 2018 , pp. 593-601 More about this Journal
Abstract
Recently in nuclear medicine, to improve diagnostic value, SUV, semi-quantitative indicator used in PET-CT, is adopted in SPECT-CT. Therefore, this research analyzed correlation of $SUV_{max}$ of two scanners through phantom test, and evaluated possibility of clinical application. Radiopharmaceuticals ($^{18}F$, $^{99m}Tc$) were injected with the ratios of 8:1 and 4:1, considering background radioactivity, into the phantom manufactured with 6 globes of different sizes, and, based on clinical protocol, positive phases were acquired with PET-CT and SPECT-CT scanners, and interesting areas were divided into ROI and VOI, and $SUV_{max}$ of them were measured, and analyzed. Tests found out no statistically significant difference in $SUV_{max}$ measured with two scanners (P>0.05). Thus, $SUV_{max}$ of PET-CT and SPECT-CT had a certain correlation within significant levels, and were evaluated as the same. Accordingly, it seems that $SUV_{max}$ quantitative analysis using SPECT-CT can provide significant diagnostic information as the case of PET-CT.
Keywords
Fusion Imaging Scanner; Standardized Uptake Value; PET-CT; SPECT-CT;
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