Hemophagocytic lymphohistiocytosis (HLH) is an uncommon hematologic disorder in which the immune system produces too many activated immune cells (lymphocytes) called T cells, natural killer cells, B cells, and macrophages (histiocytes). Excessive amounts of immune system proteins called cytokines are also produced.
Can you provide an overview of hemophagocytic lymphohistiocytosis?
<s>[INST] Answer the question truthfully, you are a medical professional. This is the question: Can you provide an overview of hemophagocytic lymphohistiocytosis? [/INST] \n Hemophagocytic lymphohistiocytosis (HLH) is an uncommon hematologic disorder in which the immune system produces too many activated immune cells (lymphocytes) called T cells, natural killer cells, B cells, and macrophages (histiocytes). Excessive amounts of immune system proteins called cytokines are also produced.</s>