Focal nodular hyperplasia: a rare benign liver tumour in early childhood without predisposing factors.

Authors

Nishant Agarwal, Tarun Kumar, Priya Mathew, Basant Kumar

Published in

BMJ case reports. Volume 19. Issue 9. Sep 01, 2026. Epub Sep 01, 2026.

Abstract

Focal nodular hyperplasia (FNH) is a rare benign hepatic lesion in children, particularly under 5 years of age. Most paediatric liver tumours in this age group are malignant, making an accurate diagnosis essential. We report a case of FNH involving the left hepatic lobe in a healthy child with no prior history of liver disease, chemotherapy or systemic illness. The child presented with a gradually enlarging abdominal mass and early satiety. Imaging with contrast-enhanced triple-phase CT demonstrated classical features of FNH, including arterial enhancement and a central scar. Due to the lesion's large size and associated symptoms, a left lateral segmentectomy was performed. Histopathology confirmed the diagnosis of FNH. Postoperative recovery was uneventful, and the patient remains well on long-term follow-up. This case highlights the diagnostic challenges of FNH in early childhood and the importance of considering benign hepatic lesions in the differential diagnosis of paediatric liver masses.

PMID:
42680507
Bibliographic data and abstract were imported from PubMed on 02 Sep 2026.

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