Cytomegalovirus-Induced Hemophagocytic Lymphohistiocytosis

Hemophagocytic lymphohistiocytosis (HLH) is a rare immunopathological syndrome, which can be fatal if not diagnosed early. It is characterized by excessive immune activation and can be observed in all age groups depending on the causes of HLH. Here, we describe a case of cytomegalovirus-induced HLH in an immunocompromised host which was diagnosed in the setting of high clinical suspicion and insufficient diagnostic information.