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http://dx.doi.org/10.17946/JRST.2016.39.3.11

Study on Optimized Dispensing of F-18 FDG Auto Dispenser  

Ji, Bong-Geun (Department of Radiological Science, Kaya University)
Lee, Sang-Hun (Department of Radiological Science, Kaya University)
Kim, Jong-Eon (Department of Radiological Science, Kaya University)
Kim, Won-Tae (Department of Radiological Science, Kaya University)
Ji, Tae-Jeong (Department of Radiological Science, Kaya University)
Publication Information
Journal of radiological science and technology / v.39, no.3, 2016 , pp. 377-384 More about this Journal
Abstract
This is a study on the optimized dispensing of the auto dispenser used for the purpose of reducing the exposure dose and accurate radiation dose of radioisotope with regard to the PET/CT practitioners. The research method was to find the optimized dispensing method through evaluating the results according to the syringe type, dispensing rate, and vial pressure and through the application of corrected values. As a result of this study, 9.38 mCi has been dispensed on average in the case of 5 ml syringe, and the reproducibility close to 10 mCi was shown at the dispense of 9.55 mCi in the case of 3 ml syringe. In the evaluation according to the dispensing rate, the quantity of radioisotope close to 10 mCi was dispensed at the rate of 5 mm/min when the measurement was carried out by increasing the rate by 5 mm/min units in the order of 5, 10, 15 and 20 mm/min. In the evaluation result according to the vial pressure before/after the use of Needle filter, it was measured to be 9.53 mCi before use and 9.84 mCi after use confirming that the dispensing after using Needle filter showed the optimal value. In addition, in the evaluation of radioactivity before/after the application of corrected values according to the increase in dispense frequency, it was measured 9.53 mCi before correction and 10.07 mCi after correction confirming that the value with correction applied was closer to the quantitative value. Thus, a good optimized method was confirmed to use a 3 ml syringe with dispensing rate of 5 mm/min, to use a Needle filter at dispensing, and to set the corrected value of [$y=0.097{\times}x$] according to the dispensing frequency of equipment.
Keywords
radioisotope; auto dispenser; optimization; F-18 FDG;
Citations & Related Records
Times Cited By KSCI : 4  (Citation Analysis)
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