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Updated: Jul 19, 2026

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Published on: August 29, 2025
Liver steatosis in children with chronic hepatitis C
Maria Guido1, Flavia Bortolotti, Paloma Jara
1Department of Oncological and Surgical Sciences - Pathology Section, University of Padova, Azienda Ospedaliera, Padova, Italy.
Insights
Steatosis, or fatty liver, is present in 27% of children with chronic hepatitis C. This condition correlates with Body Mass Index (BMI) and triglyceride levels, suggesting a metabolic origin in pediatric cases.
Area of Science:
- Pediatric Gastroenterology
- Hepatology
- Virology
Background:
- Steatosis is a common comorbidity in adults with chronic hepatitis C, contributing to fibrosis progression.
- Limited data exists on the prevalence and characteristics of steatosis in pediatric chronic hepatitis C.
- Understanding steatosis in children is crucial for managing liver disease progression.
Purpose of the Study:
- To determine the prevalence and severity of steatosis in children with chronic hepatitis C.
- To evaluate the correlation between steatosis and clinical parameters, including BMI and serum lipids.
- To investigate the potential origins of steatosis in this pediatric cohort.
Main Methods:
- Analysis of liver biopsies from 66 Italian and Spanish children with chronic hepatitis C (predominantly genotype 1).
- Assessment of steatosis grade and stage using the Ishak system, with specific scoring for severity.
- Calculation of Body Mass Index-for-age percentile (BMI%) and measurement of serum cholesterol and triglyceride levels.
Main Results:
- Steatosis was identified in 27% of pediatric patients, with a higher prevalence in Italian compared to Spanish children.
- A significant correlation was found between BMI% and both the presence and severity of steatosis.
- Serum triglyceride levels also showed a significant correlation with the presence of steatosis.
Conclusions:
- Steatosis in children with chronic hepatitis C, particularly genotype 1, is associated with BMI and triglyceride levels.
- The findings suggest a metabolic rather than purely viral etiology for steatosis in this population.
- These results highlight the need for considering metabolic factors in the management of pediatric chronic hepatitis C.
Objectives:
Steatosis is common in adults with chronic hepatitis C, and is involved in the progression of fibrosis. Because little is known about steatosis in pediatric hepatitis C, the aims of this study were to determine the prevalence and severity of steatosis in a pediatric population with chronic hepatitis C, and to evaluate its correlation with clinical parameters.
Methods:
Liver biopsies were obtained from 66 consecutive Italian and Spanish children with chronic hepatitis C (87.6% genotype 1). Grade and stage were assessed according to Ishak's system. Steatosis was scored as absent, minimal (less than 5% of steatosic hepatocytes), mild (>5%,
Results:
The prevalence of steatosis was 27% (18/66 cases, 16/18 with genotype 1), and it was higher in Italian than in Spanish patients (10/21 vs.7/45, P= 0.01). BMI% correlated significantly with both the presence of steatosis (P= 0.002) and its severity (P= 0.000). Steatosis also correlated with serum triglyceride levels (P= 0.04).
Conclusion:
Steatosis is associated with BMI in children with chronic hepatitis C due mainly to genotype 1, and with no confounding hepatotoxic factors (alcohol or drugs). This may reflect its metabolic rather than viral origin and raise new issues in the management of children with hepatitis C.
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