Multiple myeloma is a type of blood cancer that originates in the plasma cells, a kind of white blood cell found in the bone marrow. Plasma cells play a critical role in producing antibodies to fight infections. In multiple myeloma, abnormal plasma cells multiply uncontrollably, crowding out healthy cells and producing faulty proteins called monoclonal proteins (M proteins). These proteins can lead to organ damage and impair the immune system.
Early in multiple myeloma, there might be no symptoms. When signs and symptoms happen, they can include:
Treatment for myeloma depends on the type, stage, and patient’s overall health. Common approaches include: