Plasma cell dyscrasia; Plasma cell myeloma; Malignant plasmacytoma; Plasmacytoma of bone; Myeloma - multipleOverview
Multiple myeloma is
Review Date: 3/2/2010
Reviewed By: David C. Dugdale, III, MD, Professor of Medicine, Division of General Medicine, Department of Medicine, University of Washington School of Medicine; Yi-Bin Chen, MD, Leukemia/Bone Marrow Transplant Program, Massachusetts General Hospital. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.
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Plasma cells help the body's immune system fight disease by producing proteins called antibodies. In multiple myeloma, plasma cells grow out of control in the bone marrow and form tumors in the areas of solid bone.
The growth of these bone tumors makes it harder for the bone marrow to make red blood cells, white blood cells, and platelets. This causes
As the cancer cells grow in the bone marrow, they can cause pain and destruction of the bones. If the bones in the spine are affected, it can put pressure on the nerves, resulting in numbness or paralysis.
Multiple myeloma mainly affects older adults. A history of radiation therapy raises your risk for this type of cancer.
Call your doctor if you have multiple myeloma and infection develops, or numbness, loss of movement, or loss of sensation develops.
The goal of treatment is to relieve symptoms, avoid complications, and prolong life.
People who have mild disease or where the diagnosis is not certain are usually carefully watched without treatment. Some people have a slow-developing form of multiple myeloma that takes years to cause symptoms.
Medications for the treatment of multiple myeloma include:
Two types of bone marrow transplantation may be tried:
People with multiple myeloma should drink plenty of fluids to prevent dehydration and help maintain proper kidney function. They should also be cautious when having x-ray tests that use contrast dye.
Survival of people with multiple myeloma depends on the patient's age and the stage of disease. Some cases are very aggressive, while others take years to get worse.
Chemotherapy and transplants rarely lead to a permanent cure.
Blood tests can help diagnose this disease. They may include:
Bone density testing may show bone loss.