dysfunction consistent with a “Cytokine Storm Syndrome”(CSS). In this review we compare
the clinical features, diagnosis, and pathogenesis of COVID-CSS with other hematological
CSS, namely secondary hemophagocytic lymphohistiocytosis (sHLH), idiopathic multicentric
Castleman disease (iMCD), and CAR-T cell therapy associated Cytokine Release
Syndrome (CRS). Novel therapeutics targeting cytokines or inhibiting cell signaling …