Abstract
BackgroundInfantile liver failure syndrome-2 (ILFS2) is caused by neuroblastoma amplified sequence (NBAS) mutation. The disease is characterized by recurrent episodes of acute liver failure (ALF) or by liver crisis triggered by recurrent episodes of fever and complete recovery.Case presentationHere, we describe the case of a Chinese girl with typical clinical manifestation of ILFS2 without exhibition of extrahepatic involvement. The patient harbored novel compound heterozygous mutations in the NBAS region (c.3386C > T (p.Ser1129Phe), c.1A > C (p.Met1Leu) and c.875G > A (p.Gly292Glu)), mutations which have not been previously reported. After administration of antipyretics and intravenous glucose and electrolyte administration, the patient recovered fully.ConclusionThrough the present study, we recommend that ILFS2 should be taken into consideration during the differential diagnosis of children with recurrent, fever-triggered ALF. While the definitive diagnosis of ILFS2 remains dependent on genetic sequencing and discovery of NBAS, early antipyretic treatment is recommended to prevent liver crisis.
Highlights
Infantile liver failure syndrome-2 (ILFS2) is caused by neuroblastoma amplified sequence (NBAS) mutation
Through the present study, we recommend that ILFS2 should be taken into consideration during the differential diagnosis of children with recurrent, fever-triggered acute liver failure (ALF)
While the definitive diagnosis of ILFS2 remains dependent on genetic sequencing and discovery of NBAS, early antipyretic treatment is recommended to prevent liver crisis
Summary
We recommend that ILFS2 should be taken into consideration during the differential diagnosis of children with recurrent, fever-triggered ALF.
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