Antibody mediated neurologic diseases can improve with treatments that influence the immune system. Each disease is different in terms of how it responds to treatment, and each patient requires a treatment personalized to his individual situation. Some common treatments for these diseases include, IV steroids, IVIg, plasmapheresis, rituximab, cyclophosphimide, and Cellcept. Additionally, some diseases are known to be associated with tumors. Therefore, if a cancerous tumor is found treatment may include surgery, radiation, and/or chemotherapy. For more specific information on treatment, please see the section on associated syndromes.