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KMID : 1151820120060010047
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Journal of the Korean Society of Radiology
2012 Volume.6 No. 1 p.47 ~ p.51
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The analysis of 18F-FDG PET/CT Images According to the Time Flow
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Lee Hyo-Yeong
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Abstract
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PET/CT is taken 1 hour after 18F-FDG(F-18-fluoro-2-deoxy-D-glucose) injection. However, these would be often delayed for more than 2 or 3 hours due to equipment fault or unexpected situation. In the study, SU (standardized uptake value) were measured from got image over time according to the parts of the body. As a result, there were great and small decrease in liver(middle of the right hepatic lobe), fat(Lt pelvis), lung (Rt upper lobe), aorta(ascending aorta level) of the body in delayed image, and △SUVmax was increase of 37% in bone only(L5 vertebral body) of the body. △SUVmax was increase of 37.6% in lesion, and the contrast degree was greater because of uptake increase in lesion and uptake decrease in the normal body.
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KEYWORD
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PET/CT, 18F-FDG, SUV
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