Cirrhosis etiologies in children.
| Category | Etiologies | Age at presentation | Hallmarks | Genetic tests | Red flags* |
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| Cholestatic liver diseases |
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| Hepatocellular diseases |
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| Metabolic and storage diseases |
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| Other |
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*: In all cases, decompensated cirrhosis should prompt early evaluation for a possible liver transplantation. **: Liver transplantation for Niemann-Pick type C is still not widely adopted, and there is no formal indication to date. BSEP: bile salt export pump; MDR3: multidrug resistance protein 3; CFTR: cystic fibrosis transmembrane conductance regulator; HBsAg: surface antigen of Hepatitis B; HBV: hepatitis B virus; HCV: hepatitis C virus; Cu2+: copper; NA: not applicable.
GAC: Conceptualization, Investigation, Writing—original draft, Writing—review & editing, Validation. FÁ: Conceptualization, Writing—original draft, Writing—review & editing, Supervision, Validation. Both authors read and approved the submitted version.
GAC is a medical advisor for Mirum Pharmaceutics and Medison Pharma. GAC is also a PI in a clinical trial with Pfizer. FÁ has no conflicts of interest to declare.
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