ArticleAnnals of gastroenterology2026
Safety and diagnostic accuracy of ultrasound-assisted percutaneous liver biopsy in pediatric patients: a retrospective single-center study.
Article in Annals of gastroenterology, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Background: Liver biopsy remains essential for diagnosing and managing pediatric liver diseases, despite advances in noninvasive techniques. However, data on the current indications, diagnostic yield, and safety of ultrasound-assisted percutaneous liver biopsy in children are limited. Methods: We retrospectively analyzed 60 pediatric patients who underwent ultrasound-assisted percutaneous liver biopsy at Agia Sofia Children's Hospital between January 2018 and September 2025. Data collected included demographics, laboratory values, biopsy indications, histopathology and complications. Biopsies were performed under anesthesia using an 18-G Tru-Cut needle with real-time ultrasound guidance. Hemoglobin and hematocrit were measured pre-procedure and at 4 and 24 h post-procedure. Specimen adequacy was assessed by core length and number of complete portal tracts (CPTs). Results: The mean patient age was 8.6 years (range 1 month to 17 years), with weights from 2.9-65 kg. Indications included persistent hypertransaminasemia, cholestasis, autoimmune and metabolic liver disease, and post-transplant evaluation. Mean biopsy length was 1.12 cm (range 0.5-2 cm), with a mean of 11 CPTs (range 4-17). Histopathology revealed autoimmune hepatitis (AIH) in 38.3%, AIH with primary sclerosing cholangitis in 13.3% of patients with inflammatory bowel disease, and other diagnoses in the remainder. No major complications or postprocedural bleeding occurred. Hemoglobin and hematocrit remained stable, and all specimens were adequate for histologic assessment. Conclusions: Ultrasound-assisted percutaneous liver biopsy with an 18-G needle is safe, and yields sufficient tissue for diagnosis in pediatric patients. It continues to be indispensable for the definitive diagnosis, staging, and management of diverse liver diseases in children.
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