Lymphocytes are white blood cells that help the body fight infection and disease. The healthy range for an adult is between 1,000 and 4,800 lymphocytes per microliter (µL) of blood. Doctors will ...

Non-Hodgkin's lymphoma (NHL) occurs when lymphocytes called T cells and B cells become cancerous. Although there are many subtypes of lymphoma, skin lymphomas only make up about 4% of the total of all ...