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Apparent diffusion coefficient value of hepatic fibrosis and inflammation in children with chronic hepatitis

Ahmed Abdel Khalek Abdel Razek1, Mohamed Khashaba2, Ahmed Abdalla2

  • 1Department of Diagnostic Radiology, Mansoura Faculty of Medicine, Mansoura, 13551, Egypt. arazek@mans.edu.eg.

La Radiologia Medica
|May 22, 2014
PubMed

Insights

Apparent diffusion coefficient (ADC) effectively diagnoses and grades liver fibrosis and inflammation in children with chronic hepatitis. Lower ADC values indicate more severe fibrosis and inflammation, offering a noninvasive diagnostic tool.

Area of Science:

  • Pediatric Hepatology
  • Medical Imaging
  • Diagnostic Biomarkers

Background:

  • Chronic hepatitis in children can lead to significant liver damage, including fibrosis and inflammation.
  • Accurate assessment of fibrosis and inflammation is crucial for guiding treatment and predicting outcomes.
  • Noninvasive methods for evaluating liver disease severity are highly desirable.

Purpose of the Study:

  • To prospectively assess the utility of apparent diffusion coefficient (ADC) in diagnosing and grading hepatic fibrosis and inflammation.
  • To determine if ADC values correlate with the severity of liver disease in pediatric patients with chronic hepatitis.

Main Methods:

  • A prospective study involving 50 children with chronic hepatitis and 20 healthy controls.
  • Diffusion-weighted magnetic resonance imaging (MRI) was used to measure liver ADC values.
  • Hepatic fibrosis stages (F1-F6) and necroinflammatory activity grades (A1-A4) were assessed and correlated with ADC values.

Main Results:

  • Liver ADC values were significantly lower in children with chronic hepatitis compared to controls (p=0.001).
  • ADC values showed significant differences between mild and advanced stages of fibrosis (p=0.001) and inflammation (p=0.004).
  • ADC negatively correlated with fibrosis stage (r=-0.799) and inflammation grade (r=-0.468), with specific cut-off values identified.

Conclusions:

  • Apparent diffusion coefficient (ADC) is a valuable noninvasive parameter for diagnosing and grading hepatic fibrosis and inflammation in children.
  • ADC measurements can help differentiate disease severity, aiding in clinical management.
  • This imaging technique offers a promising alternative to invasive liver biopsy in pediatric patients.
Abstract

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