¹⁸F-FDG PET/CT 검사에서 신장 방사능의 효과적인 배설 방법에 관한 연구

• 영문명: Evaluation of the Effective Methods for Renal Washout on ¹⁸F-FDG PET/CT
• 발행기관: 대한핵의학기술학회
• 저자명: 김성수(Seong Su Kim) 김종철(Jong Cheol Kim) 신용철(Yong Cheol Shin) 이선도(Sun Do Lee) 이남주(Nam Ju Lee) 김승수(Seung Soo Kim) 이춘호(Chun Ho Lee)
• 간행물 정보: 『핵의학기술』Vol.14 No.2, 55~59쪽, 전체 5쪽
• 주제분류: 의약학 > 방사선과학
• 파일형태: PDF
• 발행일자: 2010.10.30

영문 초록

Purpose: Renal excretion is the main route of FDG clearance in FDG PET/CT scan. Applying optimal method of renal excretion is very important for enhancing image quality and diagnostic accuracy. We evaluated several methods of renal excretion in FDG PET/CT scan. Materials and Methods: Thirty patients with normal renal function were prospectively included. Patients were divided into three group and undergone early and delayed FDG PET/CT scans. (1) Delay group; at 1 hour later of early scan, delayed scan was performed without additional hydration, (2) Hydration group; at 1 hour later of early scan, delayed scan was performed with additional oral hydration (700 mL of water), (3) Lasix group; lasix was administered at the end of early scan and dealyed scan was performed 30 min later. Early and delayed scans were compared to evaluate efficiency of renal excretion. Visual and quantitative analyses were performed by experienced physician and technologist of nuclear medicine. Results: On the visual analysis, renal excretion was the most evident in Lasix group followed by Hydration group. Delay group showed poor renal excretion. On the quantitative analysis, washout rates were 9.2±20.7 %, 28.1±22.8 % and 29.5±23.1 % for Delay, Hydration and Lasix groups, respectively. Conclusion: Administration of lasix was the best method for enhancing renal excretion. Delayed scan with hydration was also efficient method, but delayed scan without hydration was not adequate method.

목차

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실험재료 및 방법

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키워드

FDG-PET/CT Renal excretion Washout Lasix