the lymph node plasmacytoma has to be differentiated from reactive lymph node plasmacytosis , angioimmunoblastic lymphadenopathy with excessive plasmacytosis , lymphoplasmacytic immunocytoma , metastasis of an extramedullary plasmacytoma or of a multiple myeloma , and from a lymph node involved by plasma-cell leukemia .
C0026764
multiple myeloma
C0023484
plasma-cell leukemia