what is plasmacytoma cancer
Plasmacytoma refers to a tumour consisting of abnormal plasma cells that grows within the soft tissue or bony skeleton. It can be present as a discreet solitary mass of abnormal plasma cells, in which case it is termed a solitary plasmacytoma or it can be present as part of a systemic disorder-called multiple myeloma. Multiple myeloma is a type of blood cancer of the plasma cells which are found in the bone marrow. The prognosis and treatment of solitary plasmacytomas is very different to multiple myeloma. Plasma cells are a type of white blood cell that develops from mature B-lymphocytes in the bone marrow.