Introduction B cell lymphoma with monoclonal IgM production login to view 1 more bullet Presentation Presents in older individuals Symptoms login to view 11 more bullets Evaluation Labs login to view 1 more bullet Bone marrow biopsy login to view 2 more bullets Serum protein electrophoresis login to view 2 more bullets Urine login to view 3 more bullets Imaging login to view 1 more bullet Treatment Symptomatic only login to view 1 more bullet Plasmapheresis when hyperviscosity is present