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Correlation between Non-Alcoholic Fatty Liver Disease and Visceral Adipose Tissue in Non-Obese Chinese Adults: A CT Evaluation

Yu, Ai-Hong    (Department of Radiology, Beijing Jishuitan Hospital, the 4th Medical College of Peking University, Beijing 100035, China .  ); Duan-Mu, Yang-Yang    (Department of Radiology, First Affiliated Hospital of Anhui Medical University, Hefei 230022, China .  ); Zhang, Yong    (Department of Radiology, Beijing Jishuitan Hospital, the 4th Medical College of Peking University, Beijing 100035, China .  ); Wang, Ling    (Department of Radiology, Beijing Jishuitan Hospital, the 4th Medical College of Peking University, Beijing 100035, China .  ); Guo, Zhe    (Department of Radiology, Beijing Jishuitan Hospital, the 4th Medical College of Peking University, Beijing 100035, China .  ); Yu, Yong-Qiang    (Department of Radiology, First Affiliated Hospital of Anhui Medical University, Hefei 230022, China .  ); Wang, Yu-Sheng    (Department of Radiology, Beijing Jishuitan Hospital, the 4th Medical College of Peking University, Beijing 100035, China .  ); Cheng, Xiao-Guang  
  • 초록

    Objective To investigate the correlation between non-alcoholic fatty liver disease and visceral adipose tissue in non-obese Chinese adults using computed tomography (CT). Materials and Methods The study included 454 subjects undergoing abdominal CT scan. Degree of CT attenuation in liver and spleen, and the degree of fat infiltration in liver were evaluated according to three indices: the attenuation value of liver parenchyma (CT LP ), the attenuation ratio of liver and spleen (LS ratio ) and the attenuation difference between liver and spleen (LS dif ). Visceral fat area (VFA) and total fat area (TFA) at L2/3 and L4/5 levels were measured, and the abdominal subcutaneous fat area (SFA) was calculated. Bivariate correlation analysis was carried out to determine the correlation among these factors. Results In men, VFA, SFA and TFA at L2/3 and L4/5 levels showed significant differences in terms of the three indices to distinguish fatty liver from non-fatty liver (all, p p r = −0.476 vs. r = −0.340 for CT LP , r = −0.502 vs. r = −0.413 for LS ratio , r = −0.543 vs. r = −0.422 for LS dif , p ratio , LS dif and VFA at L2/3 and L4/5 levels was higher than SFA at the corresponding level. In women, all the three indices showed negative correlation with VFA and TFA at L2/3 and L4/5 levels, and the negative correlation between CT LP and VFA was higher at L2/3 level than at L4/5 level ( r = −0.294 vs. r = −0.254, p Conclusion In non-obese Chinese adults, the degree of hepatic fatty infiltration showed a strong correlation with abdominal fat on CT. VFA at L2/3 level was more closely related to fatty liver compared with VFA at L4/5 level.


  • 주제어

    Fatty liver .   NASH .   Visceral fat .   Computed tomography .   CT Quantification .   Quantitative diagnosis.  

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