<prompt> All of the following are minor criteria for multiple myelorna except aEURPlasmacytosis 20Multiple lytic lesionIgA 100 mgdl and IgG 600 mgdlPlasmacytoma on tissue biopsy  <response>: Plasmacytoma on tissue biopsy Ref Tejinder singh hematology p. 210, 21 1 DIAGNOSTIC CRITERIA OF MULTIPLE MYELOMA SALMON AND DURIE Major criteria 1 Plasmacytoma on tissue biopsy! 2 Bone marrow plasmocytosis 30 of plasma cells. 3 Monoclonal globulin spike IgG 35W1 3.5 gdl IgA 20gL 2.0 gdl - Light chain excretion on urine electrophoresis 1g124 hrs Minor criteria 1 Bone marrow plasmacytosisu, 10-30 plasma cells. 2 Monoclonal globulin spike, lesser magnitude than in 3 3 Lytic bone lesionsQ. 4 Reduced normal immuzioglobulins 50 - IgG 600 mgdi - IgA 100 mgdl - IgM 50 ingdl Criteria for multiple myeloma 11 major I minor criteria OR 23 minor criteria that must include 1 and 2 of minor criteria. 