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Recent Survey of Effective Doses of F-18 FDG Torso PET/CT in Korea and the Current Recommendations for CT Protocols of PET/CT

Nuclear Medicine and Molecular Imaging 2020년 54권 5호 p.224 ~ 232
정아리, 박정미, 박경준, 김용일, 권현우, 이은성, 남기표, 이호영, 이홍재, 유익동, 어재선, 김지영, 윤준기, 김경민, 김성민, 김태성,
소속 상세정보
정아리 ( Chong A-Ri ) - Chosun University Hospital Department of Nuclear Medicine
박정미 ( Park Jung-Mi ) - Soonchunhyang University Bucheon Hospital Department of Nuclear Medicine
박경준 ( Pak Kyoung-June ) - Pusan National University Hospital Department of Nuclear Medicine
김용일 ( Kim Yong-Il ) - Asan Medical Center Department of Nuclear Medicine
권현우 ( Kwon Hyun-Woo ) - Korea University Anam Hospital Department of Nuclear Medicine
이은성 ( Lee Eun-Seong ) - Korea University College of Medicine Korea University Medical Center Department of Nuclear Medicine
남기표 ( Nam Ki-Pyo ) - Asan Medical Center Department of Nuclear Medicine
이호영 ( Lee Ho-Young ) - Seoul National University Bundang Hospital Department of Nuclear Medicine
이홍재 ( Lee Hong-Jae ) - Seoul National University Hospital Department of Nuclear Medicine
유익동 ( Yoo Ik-Dong ) - Soonchunhyang University Cheonan Hospital Department of Nuclear Medicine
어재선 ( Eo Jae-Seon ) - Korea University Guro Hospital Department of Nuclear Medicine
김지영 ( Kim Ji-Young ) - Hanyang University Guri Hospital Department of Nuclear Medicine
윤준기 ( Yoon Joon-Kee ) - Ajou University Medical Center Department of Nuclear Medicine
김경민 ( Kim Kyeong-Min ) - Korea Institute of Radiological and Medical Sciences Division of Applied RI
김성민 ( Kim Seong-Min ) - Chungnam National University Hospital Department of Nuclear Medicine
김태성 ( Kim Tae-Sung ) - National Cancer Center Department of Nuclear Medicine

Abstract


Purpose: This study aimed to construct a database of the effective doses (ED) from F-18 fluorodeoxyglucose (FDG) torso positron emission tomography/computed tomography (PET/CT) in Korea to provide data that supports the reduction of the CT dose of PET/CT and optimization of PET/CT protocols in Korea.

Methods: We investigated data of ED and CT parameters of FDG PET/CT. The data were analyzed by body weight groups.

Results: A total of 31 hospitals participated in the survey (99 adults). The mean total EDs (± SD) were 8.77?±?2.76, 10.93?±?3.14, and 12.57?±?3.79 mSv for the 55-, 70-, and 85-kg groups, respectively. The FDG EDs were 4.80?±?0.98, 6.05?±?1.15, and 6.89?±?1.52 mSv, and the CT EDs were 4.00?±?2.12, 4.88?±?2.51, and 5.68?±?2.89 mSv, respectively. Of the enrolled hospitals, 54.5% used ultra-low-dose CT protocols, and their CT ED was significantly lower than low-dose CT group in all groups (2.9?±?1.0, 3.2?±?1.1, and 3.3?±?1.0 mSv vs. 6.6?±?1.6, 7.2?±?2.1, and 7.9?±?2.2 mSv, all p?
Conclusions: These results and current recommendations can be helpful for optimizing PET/CT diagnostic reference level (DRL) and reducing unnecessary PET/CT radiation exposure.

키워드

PET/CT; CT; Effective dose; 18F-FDG; Guidelines

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