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Health Professionals BlogImagingNAFLD / MAFLD

Comparing imaging modalities in the assessment of fibrosis in metabolic dysfunction-associated steatotic liver disease

Title: Comparing imaging modalities in the assessment of fibrosis in metabolic dysfunction-associated steatotic liver disease  

Source: Journal of Pediatric Gastroenterology and Nutrition 2024, Sep 18. [Epublication]

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Date of publication: September 2024

Publication type: Retrospective chart review

Abstract: Background: Metabolic dysfunction-associated steatotic liver disease (MASLD) is the most common liver disease in children. Liver biopsy is considered the gold standard for diagnosis. Magnetic resonance elastography (MRE) and transient elastography (TE) are imaging modalities that can monitor fibrosis and steatosis noninvasively. More studies are needed to identify whether imaging modalities can provide accurate and reproducible data. We hypothesize that MRE provides reliable data similar to that of TE when compared to liver biopsy in children with MASLD/metabolic dysfunction-associated steatohepatitis.

Methods: We conducted a retrospective chart review of children with liver biopsy-proven MASLD at Children’s Hospital Los Angeles between September 2017 and January 2023, investigating and comparing the predictive accuracy of MRE and TE in the detection of high-grade fibrosis on liver biopsy.

Results: Seventy-seven patients were reviewed, all of whom had undergone liver biopsy, MRE and TE for evaluation of MASLD. Fibrosis was identified in 90% of liver biopsies. The area under the receiver operating characteristic curves (AUROC) of MRE and TE for detection of high-grade fibrosis were 0.817 and 0.750, respectively, and not significantly different (p = 0.4785).

Conclusion: We demonstrate that MRE and TE did not accurately predict high-grade fibrosis on liver biopsy. Between the two noninvasive imaging modalities, the correlation of identifying high-grade fibrosis was not statistically different; however, the AUROC for MRE was slightly superior to that of TE. Studies with larger cohorts will be required to validate these findings.

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