Cytokine and viral load kinetics in human herpesvirus 8-associated multicentric Castleman’s disease complicated by hemophagocytic lymphohistiocytosis

Human herpes virus 8 (HHV-8)-associated secondary hemophagocytic lymphohistiocytosis is a rare but critical immuno-hematological entity in immunocompetent patients. Establishing a diagnosis is challenging as is the monitoring of disease activity and therapeutic effects. We report a case of a HHV-8-associated hemophagocytic lymphohistiocytosis in a HIV-negative adult patient with multicentric Castleman’s disease. As a novel finding, we report the use of certain inflammatory parameters, primarily interleukin-10 combined with viral load monitoring of the causative infectious agent in this case HHV-8 to monitor the clinical course of the hemophagocytic lymphohistiocytosis in the setting of bacterial septic complications.

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