A Retrospective Analysis of Dengue-associated Hemophagocytic Lymphohistiocytosis in a Dengue-endemic Country

DA-HLH should be considered in pediatric patients with dengue who present with persistent fever, cytopenias, hepatic dysfunction and marked hyperferritinemia. In this exploratory analysis, elevated bilirubin appeared to reflect severe systemic and hepatic involvement rather than an independent prognostic factor, while viral coinfections may contribute to disease severity. Early recognition and individualized immunomodulatory management are essential, and larger multicenter studies are needed to