Lymphocytes are an important part of the immune system, and they are related to the onset of fever during infections. Fever is a normal response our body has to combat pathogens, and it is triggered by inflammatory mediators released by the immune system and received in the brain centers in charge of controlling body temperature. Lymphoma triggers fever independently from a given infection, but if a pathogen has colonized the patient, fever might become more severe still.
In lymphoma, the lymphocytes start releasing inflammatory substances, and the brain interprets that signal as if the body needs to defend against a pathogen. Fever in lymphoma is usually around 38°C, and it is very frequent, even more, when the disease is accompanied by infections. However, it is not necessary to have fever in order to diagnose lymphoma. It is also caused by most infectious diseases, and you will need assistance from your doctor if you want to know the real cause of your fever.