PET/CT 스캔 전 혈관 외 유출의 예측

• 영문명: Prediction of Extravasation before PET/CT Scan
• 발행기관: 대한핵의학기술학회
• 저자명: 윤성수(Seong Su Yun) 이선도(Sundo Lee) 이남주(Nam Ju Lee) 신용철(Yong Cheol Shin) 김성수(Seongsu Kim) 주찬호(Chanho Joo) 주성욱(Seong Uk Ju) 김명현(Myoung Hyoun Kim)
• 간행물 정보: 『핵의학기술』Vol.28 No.2, 97~104쪽, 전체 8쪽
• 주제분류: 의약학 > 방사선과학
• 파일형태: PDF
• 발행일자: 2024.11.30

국문 초록

Purpose: In this study, we investigated whether extravasation could be predicted by measuring the dose rate once at the injection site before PET/CT scanning. Materials and Methods: The dose rate at the injection site was measured for 412 patients, and the severity of extravasation was evaluated in the F-18 FDG PET/CT images. Then, extravasation activity and %ID were calculated with VOI analysis. Results: The dose rate at the injection site and %ID showed significant differences in the mild and moderate extravasation groups. Dose rates were 15.9±5.8 mR/hr, 18.7±9.9 mR/hr and 57.1±5.8 mR/hr in the no, minor and moderate extravasation groups, respectively. The extravasated %ID in the minor and moderate extravasation groups were 0.022±0.020 and 0.438±0.483. Also, ROC analysis showed good performance of dose rate in distinguishing between mild and moderate extravasation. Conclusion: The dose rate at the injection site can predict moderate or severe extravasation, helping determine arm position during PET/CT scan and whether to conduct additional scans.

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키워드

PET/CT Extravasation Radiation detector