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18F-FDG PET/CT 检查中肝脂肪变性对 FDG 摄取的影响及与 BMI 的关系研究
利用 GE Discovery IQ 5 环、optima CT 540(16 层)PET/CT 扫描仪进行扫描,静脉注射约 1 mCi/10 kg 的 18F-FDG 后,让患者静卧 60 - 90 分钟再进行扫描。测量肝脏和脾脏的线性衰减系数,并依据 CT 诊断标准判断是否存在肝脂肪变性。同时,在门静脉分叉水平的肝脏中央区域 ...
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