Multiple myeloma, also known as myeloma, is a type of bone marrow cancer.  Multiple myeloma affects the plasma cells, blood cell, inside the bone marrow.  Myeloma does not take the form of a lump or tumour, with the myeloma cells dividing and expanding within the bone marrow, damaging bones and affecting the production of healthy blood cells.  Approximately 25% of patients with multiple myeloma also simultaneously develop extramedullary … Continue reading Study is first to link multiple myeloma protein to extramedullary disease.