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ISSN 1001-5256 (Print)
ISSN 2097-3497 (Online)
CN 22-1108/R
Volume 40 Issue 1
Jan.  2024
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Article Navigation >  Journal of Clinical Hepatology  > 2024  >  40(1): 46-51

Application value of liver/spleen CT value， controlled attenuation parameter， and magnetic resonance imaging-proton density fat fraction in chronic hepatitis B patients with hepatic steatosis

DOI: 10.12449/JCH240109
  • 1.

    Department of Medical Imaging，Affiliated Hospital of Yan’an University，Yan’an，Shaanxi 716000，China

  • 2.

    Department of Nuclear Medicine，Xi’an International Medical Center Hospital，Xi’an 710100，China

Research funding:

Science and Technology Research and Development Project of Yan’an (2018KS-11)

More Information
  • Corresponding author: ZHANG Wei， 304180598@qq.com （ORCID： 0009-0009-2951-1115）
  • Received Date: 2023-04-20
  • Accepted Date: 2023-05-06
  • Published Date: 2024-01-23
    Abstract
  •   Objective  To investigate the application value of liver/spleen CT value （CTL/S）， controlled attenuation parameter （CAP）， and magnetic resonance imaging-proton density fat fraction （MRI-PDFF） in chronic hepatitis B （CHB） patients with hepatic steatosis.  Methods  A retrospective analysis was performed for the clinical data of 213 CHB patients who underwent liver CT， CAP， and MRI-PDFF examinations in Affiliated Hospital of Yan’an University from October 2018 to December 2022. According to MRI-PDFF， the 213 patients were divided into CHB group with 111 patients （MRI-PDFF<5%） and CHB+hepatic steatosis group with 102 patients （MRI-PDFF≥5%）， among whom there were 69 patients with mild hepatic steatosis and 33 patients with moderate to severe hepatic steatosis. The independent-samples t test was used for comparison of normally distributed continuous data between groups， and the Mann-Whitney U test was used for comparison of non-normally distributed continuous data between groups. The Bland-Altman plot was used to evaluate the consistency in MRI-PDFF measurement between two physicians. The Spearman’s correlation coefficient was used to analyze the correlation between CTL/S and MRI-PDFF and between CAP and MRI-PDFF. The receiver operating characteristic （ROC） curve was plotted and the area under the ROC curve （AUC） was calculated to investigate the value of CTL/S and CAP in the diagnosis of different degrees of hepatic steatosis， and the DeLong test was used to compare the AUCs of the two radiological examinations.  Results  MRI-PDFF had relatively high repeatability and stability in CHB patients. There is a significant negative correlation between CTL/S and MRI-PDFF （r=-0.800， P<0.001） and a significant positive correlation between CAP and MRI-PDFF （r=0.692， P<0.001）. Both CTL/S and CAP had a relatively high accuracy in the diagnosis of hepatic steatosis in CHB patients， with an AUC of 0.951 and 0.902， respectively， and CTL/S had a better accuracy than CAP （P<0.05）. In the diagnosis of mild and moderate-to-severe hepatic steatosis， CTL/S had an AUC of 0.921 and 0.895， respectively， and CAP had an AUC of 0.859 and 0.825， respectively， suggesting that CTL/S had a slightly higher diagnostic efficiency than CAP.  Conclusion  MRI-PDFF has high repeatability and stability in CHB patients， and CTL/S and CAP have a high diagnostic value for different degrees of hepatic steatosis in CHB patients.

     

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