Lenalidomide-induced cytokine release syndrome in a patient with multiple myeloma.

The article presents a case study of a 76-year-old man with multiple myeloma (MM) who was admitted to the hospital. He had previously undergone treatment for MM with several combination drug therapies, which were discontinued due to adverse side effects. The article discusses the patient’s serum immunoglobulin G (IgG) level, combination drug treatment with lenalidomide and dexamethasone, and the induction of cytokine release syndrome by lenalidomide.