Extreme hyperferritinemia in the pediatric emergency setting: haemophagocytic lymphohistiocytosis, macrophage activation syndrome, sepsis and more

C. Scozzafava, S. Sestito, D. Concolino, A. Giannotta, M. Miraglia Del, G.F. Parisi, G. Ceravolo, C. Cuppari, L. Pensabene, D. Sutera, A. Spagnuolo, R. Gallizzi

Article ID: 4979
Vol 36, Issue 1S1, 2022
DOI: https://doi.org/10.23812/j.biol.regul.homeost.agents.202236.1S1.21
Received: 11 March 2022; Accepted: 11 March 2022; Available online: 11 March 2022; Issue release: 11 March 2022

Abstract

Ferritin plays an important role in modulating inflammation and is a significant marker in some life-threatening pathological conditions. Hemophagocytic lymphohistiocytosis (HLH), macrophage activation syndrome (MAS), sepsis, and the more recent multisystem inflammatory syndrome in children (MIS-C) share many clinical and laboratory aspects, including the increase in ferritin levels, so that they are considered hyperferritinemic syndromes. In the pediatric emergency setting, the finding of high ferritin levels if associated with fever requires considering these rare syndromes to start a timely therapy.


Keywords

hyperferritinemia;hemophagocytic lymphohistiocytosis;macrophage activation syndrome;cytokine storm;COVID-19


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