Indian Journal of Pathology and Microbiology
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Year : 2019  |  Volume : 62  |  Issue : 2  |  Page : 261-265

Focal nodular hyperplasia of the liver in children: A report of 2 cases

1 Department of Pathology, IPGME and R, Kolkata, West Bengal, India
2 Department of GI Pathology, IPGME and R, Kolkata, West Bengal, India
3 Department of Paediatric Surgery, KPC Medical College, Kolkata, West Bengal, India
4 Department of Paediatric Surgery, NRS Medical College, Kolkata, West Bengal, India

Correspondence Address:
Aniket Halder
No. 430/2, Ratnavilla, Nabatirtha, P.O. Hridaypur, Barasat, 24 PGS (North), Kolkata - 700 127, West Bengal
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/IJPM.IJPM_396_18

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Focal nodular hyperplasia (FNH) is a benign non-neoplastic lesion of the liver usually found in adults. It is uncommon in children, comprising 2-10% of all pediatric liver tumours. In children, it can occur at all ages, with increased frequency between 6-10 years. We present two cases of FNH in childhood- the first being that of a 5-month-old infant, and the second in a 6-year-old boy. The possibility of congenital FNH had been excluded in the first case. The second case posed diagnostic difficulty initially and was wrongly treated for hepatoblastoma by neoadjuvant chemotherapy, but later correctly diagnosed to be FNH. Both the children are doing well on follow-up. Paediatric FNH though rare, should be kept in mind while dealing with a hepatic mass. Radiological features can be variable and needle sampling may not be sufficient to reach to a diagnosis. Histological examination with glutamine synthetase immunostaining should be performed in doubtful cases to differentiate FNH from other paediatric liver masses, as management differs.

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