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Human Liver Microphysiological System for Assessing Drug-Induced Liver Toxicity In Vitro
Published on: January 31, 2022
Drug Induced Liver Injury in Children: Practical Considerations for Pathologists
1Department of Pathology, Cincinnati Children's Hospital Medical Center, Cincinnati, OH, USA.
Abstract:
Drug-induced liver injury (DILI) in children remains a diagnostic challenge due to its broad clinical and histologic spectrum. Based on pathogenesis, DILI is classified as idiosyncratic, intrinsic (direct), or indirect. In the United States, antimicrobials and antiepileptic medications are the most commonly implicated agents. Because histologic features are often nonspecific, diagnosis and assessment of causality rely on clinicopathologic correlation. Although not always required, liver biopsy can aid in characterizing injury patterns, assessing severity, and excluding mimickers. This review highlights the major morphologic patterns of pediatric DILI, associated agents, and practical considerations for biopsy interpretation in routine practice.
Insights
Diagnosing drug-induced liver injury (DILI) in children is challenging. This review covers DILI patterns, common drug culprits like antimicrobials, and liver biopsy interpretation for accurate diagnosis.
Area of Science:
- Pediatric Hepatology
- Toxicology
- Gastroenterology
Background:
- Drug-induced liver injury (DILI) in children presents a complex diagnostic challenge due to diverse clinical and histological manifestations.
- DILI is categorized by pathogenesis into idiosyncratic, intrinsic (direct), or indirect types.
- Antimicrobials and antiepileptic drugs are frequently implicated agents in the United States.
Purpose of the Study:
- To review the primary morphologic patterns of pediatric DILI.
- To identify commonly associated causative agents.
- To provide practical guidance for interpreting liver biopsies in DILI cases.
Main Methods:
- This is a review article, synthesizing existing literature on pediatric DILI.
- Focuses on clinicopathologic correlation for diagnosis and causality assessment.
- Highlights the role of liver biopsy in characterizing injury, assessing severity, and ruling out differential diagnoses.
Main Results:
- Histologic features in pediatric DILI are often nonspecific, necessitating clinicopathologic correlation.
- Liver biopsy, while not always essential, aids in characterizing injury patterns and severity.
- Commonly implicated agents include antimicrobials and antiepileptic medications.
Conclusions:
- Accurate diagnosis of pediatric DILI requires careful clinicopathologic correlation.
- Understanding morphologic patterns and associated agents is crucial for effective management.
- Liver biopsy interpretation is a key component in diagnosing and managing DILI in children.
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