<prompt> Which of the following is not a minor diagnostic criteria for multiple myeloma ?Lytic bone lesionsPlasmacytosis greater than 20Plasmacytoma on biopsyMonoclonal globulin spike on serum melectrophoresis of 2.5 GDL for IgG,1.5 GDL for IGA  <response>: Plasmacytoma on biopsy DIAGNOSTIC CRITERIA OF MULTIPLE MYELOMA Major criteria 1 Plasmacytoma on tissue biopsy 2 Bone marrow plasmocytosis 30 of plasma cells. 3 Monoclonal globulin spike IgG 35g1, or IgA 20gL 4 Light chain excretion on urine electrophoresis 1 g24 hrs Minor criteria 1 Bone marrow plasmacytosis, 10-30 plasma cells. 2 Monoclonal globulin spike, IgG35gL or IgA 20 gL 3 Lytic bone lesions. 4 Normal IgM 500 mgL. IgA 1 gL or IgG 6gL Criteria for multiple myeloma 1 1 major 1 minor criteria OR 2 3 minor criteria that must include 1 and 2 of minor criteria. 