Intraindividual comparison of MRI-derived liver surface nodularity score at 1.5 T and 3 T

Purpose To compare the MRI-derived liver surface nodularity (LSN) scores acquired on both 1.5 T and 3 T. Materials and methods Forty chronic liver disease patients who underwent gadoxetic acid-enhanced MRI at both 1.5 and 3 T were included. Axial hepatobiliary phase images with the same voxel size w...

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Bibliographic Details
Published in:Abdominal imaging 2022-03, Vol.47 (3), p.1053-1060
Main Authors: Jang, Weon, Song, Ji Soo, Kim, Tae-Hoon, Yoon, Kwon-Ha
Format: Article
Language:English
Subjects:
Gastroenterology
Hepatobiliary
Hepatology
Imaging
Liver
Liver cirrhosis
Liver diseases
Lobes
Magnetic resonance imaging
Medical imaging
Medicine
Medicine & Public Health
Radiology
Statistical analysis
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Summary:Purpose To compare the MRI-derived liver surface nodularity (LSN) scores acquired on both 1.5 T and 3 T. Materials and methods Forty chronic liver disease patients who underwent gadoxetic acid-enhanced MRI at both 1.5 and 3 T were included. Axial hepatobiliary phase images with the same voxel size were used to calculate the LSN score in both liver lobes with a quantitative software. Rank correlation, Wilcoxon test, and Bland–Altman limits of agreement were used for statistical analysis. Results There was a weak correlation between the right and left liver lobe on 1.5 T ( r s  = 0.331, p  = 0.037) and 3 T ( r s  = 0.381, p  = 0.015). The correlation between 1.5 T and 3 T on both liver lobes showed a very strong correlation (right, r s  = 0.927, p  
ISSN:2366-004X
2366-0058
DOI:10.1007/s00261-022-03415-6