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KMID : 1149020190210020031
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Journal of Korean Society of Computed Tomographic Technology
2019 Volume.21 No. 2 p.31 ~ p.39
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Comparative Dose Evaluation based on Various Scout Images and AEC Function in Multiple Scan exams: Neck-Chest Phantom Study
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Lee Jae-Min
Yoon Hee-Seok
Lee Ki-Baek
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Abstract
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Purpose: Most of the patients who underwent follow-up examination and many one time. However, The scout image acquisition method differs from hospital to Exposure Control(AEC) and to acquire ideal scouts for multi-scan exams is lacking. the best of scout image acquisition on multi-scan CT examination of chest and
Material and Method: We used the equipment of two different AEC systems and to reproduce the neck and chest multi-scan CT. To make arms on the Rando phantom, of a multi-scan, The GE CT scanner can cause problems if the final scout image
Results: As a result, to use lateral scout image is prohibited. Finally, It was confirmedideal. On the other hand, in the case of the Siemens CT Scanner, the order of acquisition
Conclusions: It was found that the optimal dose was obtained when the length important to obtain accurate scout images before performing this CT scan.
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KEYWORD
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AEC, Dose, Scout, Neck CT, Chest CT
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