Hemophagocytic syndrome (HPS), also known as hemophagocytic lymphohistiocytosis (HLH), is a group of syndromes in which multiple pathogenic factors lead to the proliferation of activated lymphocytes and histiocytes that secrete large amounts of inflammatory cytokines[[1]](#ref-0001).HLH is a multi-organ hyperinflammatory syndrome caused by the secretion of large amounts of inflammatory cytokines from