Journal
ERCIYES MEDICAL JOURNAL
Volume -, Issue -, Pages -Publisher
ERCIYES UNIV SCH MEDICINE
DOI: 10.14744/etd.2022.33866
Keywords
Children; familial hemophagocytic lymphohistiocytosis; fusarium; perforin mutation; sepsis
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This article reports a rare case of primary HLH with fatal Fusarium sepsis. A rare variant of the PRF1 gene was detected in this HLH case. Fusarium species were identified through blood cultures, and hyphal growth was observed on Sabouraud dextrose agar.
Background: Hemophagocytic lymphohistiocytosis (HLH) is classified as primary or secondary. While primary (familial) HLH is caused by genetic mutations, secondary (acquired, reactive) HLH is the type that has an underlying cause and is not associated with genetic mutations.Case Report: We report a two-year-old female patient with a fatal course of Fusarium sepsis who was diagnosed with primary HLH. A homozygous variant of PRF1 (c.445G > A, p.Gly149Ser) was detected. Hyphal growth was detected on Sabouraud dextrose agar and Fusarium multiplied in blood cultures. The patient's clinical course was fulminant, and she died of septic shock 4 days after admission to the hospital. Fusarium, a rare infection in HLH, was found in this case.Conclusion: We discovered the rare PRF1 (c.445G>A, p.Gly149Ser) mutation in HLH and the high morbidity and mortal-ity associated with Fusarium infection.
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