Successful use of emapalumab in refractory hemophagocytic lymphohistiocytosis in a child with Chédiak–Higashi syndrome: A case report

Hemophagocytic lymphohistiocytosis is a life-threatening disease heralded by fever, cytopenia, hepatosplenomegaly, and multisystem organ failure. Its association with genetic mutations, infections, autoimmune disorders, and malignancies is widely reported.