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Correlation of Hepatic 18F-Fluorodeoxyglucose Uptake with Fatty Liver

Other Title
간의 18F-Fluorodeoxyglucose 섭취 양상과 지방간의 관계
Authors
안, 영실; 홍, 선표; 윤, 준기; 조, 철우; 윤, 석남
Citation
Haek ŭihak punja yŏngsang, 40(5):243-248, 2006
Journal Title
Haek ŭihak punja yŏngsang; Nuclear medicine and molecular imaging; 핵의학분자영상
ISSN
1975-129X
Abstract
Purpose: Liver demonstrates heterogeneous FDG uptake and sometimes it shows abnormally increased uptake even though there is no malignant tissue. However, there was no previous study to correlate these various pattern of hepatic FDG uptake with benign liver disease. Therefore, we evaluated the significance of hepatic FDG uptake associated with various clinical factors including fatty liver, liver function tests and lipid profiles.



Materials and Methods: We reviewed a total of 188 patients (male/female: 120/68, mean age: 50±9) who underwent PET/CT for screening of malignancy. Patients with DM, impaired glucose tolerance, previous severe hepatic disease or long-term medication history were excluded. The FDG uptake in liver was analyzed semi-quantitatively using ROI on transaxial images (segment 8) and we compared mean standardized uptake value (SUV) between fatty liver and non-fatty liver group. We also evaluated the correlation between hepatic FDG uptake and various clinical factors including serum liver function test (ALT, AST), γ-GT, total cholesterol and triglyceride concentration. The effect of alcoholic history and body mass index on hepatic FDG uptake was analyzed within the fatty liver patients.



Results: The hepatic FDG uptake of fatty liver group was significantly higher than that of non-fatty liver group. Serum total cholesterol and triglyceride concentration showed significant correlation with hepatic FDG uptake. However, there was no significant correlation between other factors (ALT, AST, and γ-GT) and FDG uptake. Also there was no difference of mean SUV between normal and abnormal groups on the basis of alcoholic history and body mass index within fatty liver patients. Fatty liver and high serum triglyceride concentration were the independent factors affecting hepatic FDG uptake according to multivariate analysis.



Conclusion: In conclusion, hepatic FDG uptake was strongly correlated with fatty liver and serum triglyceride concentration.
Keywords
FDGPETfatty livertriglyceridehepatitisliver function test
Appears in Collections:
Journal Papers > School of Medicine / Graduate School of Medicine > Nuclear Medicine & Molecular Imaging
AJOU Authors
윤, 석남윤, 준기조, 철우
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