Abstract
Focal nodular hyperplasia (FNH) is a benign hepatic lesion very rarely described in the pediatric population. It has been reported more frequently in patients treated for pediatric cancers with chemotherapy or hematopoietic stem cell transplantation. The use of high dosage of alkylating agents, the occurrence of venous occlusive disease, graft-versus-host disease, and other variables linked to the hematopoietic stem cell transplantation procedure can represent risk factors for the development of FNH in the pediatric age. The discovery of hepatic nodules in the follow-up of patients treated for malignancies suggests recurrence of disease and raises a diagnostic dilemma. Here we describe possible risk factors, clinical and radiological findings of eight pediatric patients who developed focal nodular hyperplasia after hematopoietic stem cell transplantation. The aim of this report is to provide useful diagnostic tools to facilitate accurate diagnosis of FNH and suggest a correct management of this benign lesion during postcancer follow-up.
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The authors disclose any conflict of interest. No sponsor(s) has been involved in any step of study design, collection, analysis, and interpretation of data, writing of the report, and decision to submit the paper for publication. No honorarium, grant, or other form of payment was given to anyone to produce the manuscript.
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Masetti, R., Biagi, C., Kleinschmidt, K. et al. Focal nodular hyperplasia of the liver after intensive treatment for pediatric cancer: is hematopoietic stem cell transplantation a risk factor?. Eur J Pediatr 170, 807–812 (2011). https://doi.org/10.1007/s00431-010-1388-z
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DOI: https://doi.org/10.1007/s00431-010-1388-z