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    Texture-based classification of liver fibrosis using MRI

    Access Status
    Fulltext not available
    Authors
    House, M.
    Bangma, S.
    Thomas, M.
    Gan, E.
    Ayonrinde, Oyekoya
    Adams, L.
    Olynyk, John
    St Pierre, T.
    Date
    2015
    Type
    Journal Article
    
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    Citation
    House, M. and Bangma, S. and Thomas, M. and Gan, E. and Ayonrinde, O. and Adams, L. and Olynyk, J. et al. 2015. Texture-based classification of liver fibrosis using MRI. Journal of Magnetic Resonance Imaging. 41 (2): pp. 322-328.
    Source Title
    Journal of Magnetic Resonance Imaging
    DOI
    10.1002/jmri.24536
    ISSN
    1053-1807
    URI
    http://hdl.handle.net/20.500.11937/35735
    Collection
    • Curtin Research Publications
    Abstract

    Purpose: To investigate the ability of texture analysis of MRI images to stage liver fibrosis. Current noninvasive approaches for detecting liver fibrosis have limitations and cannot yet routinely replace biopsy for diagnosing significant fibrosis. Materials and Methods: Forty-nine patients with a range of liver diseases and biopsy-confirmed fibrosis were enrolled in the study. For texture analysis all patients were scanned with a T2-weighted, high-resolution, spin echo sequence and Haralick texture features applied. The area under the receiver operating characteristics curve (AUROC) was used to assess the diagnostic performance of the texture analysis. Results: The best mean AUROC achieved for separating mild from severe fibrosis was 0.81. The inclusion of age, liver fat and liver R2 variables into the generalized linear model improved AUROC values for all comparisons, with the F0 versus F1-4 comparison the highest (0.91). Conclusion: Our results suggest that a combination of MRI measures, that include selected texture features from T2-weighted images, may be a useful tool for excluding fibrosis in patients with liver disease. However, texture analysis of MRI performs only modestly when applied to the classification of patients in the mild and intermediate fibrosis stages.

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