Multiple myeloma
Multiple myeloma (also known as myeloma or
plasma cell myeloma) is a hematologic
cancer, meaning it develops in the
blood. It is a cancer of the plasma cell, an important part of the
immune system that produces immunoglobulins (antibodies) to help fight
infection and disease.
There are approximately 45,000 people in the United States living with multiple myeloma, and the American Cancer Society estimates that approximately 14,600 new cases of myeloma are diagnosed each year in the United States.
Multiple myeloma is the second most prevalent blood cancer after non-Hodgkin's lymphoma. It represents approximately 1% of all cancers and 2% of all cancer deaths. Although the peak age of onset of multiple myeloma is 65 to 70 years of age, recent statistics indicate both increasing incidence and earlier age of onset.
Multiple myeloma affects slightly more men than women. African Americans and Native Pacific Islanders have the highest reported incidence of this disease and Asians the lowest. Results of a recent study found the incidence of myeloma to be 9.5 cases per 100,000 African Americans and 4.1 cases per 100,000 Caucasian Americans. Among African Americans, myeloma is one of the top 10 leading causes of cancer death.
The diagnosis of multiple myeloma is often made incidentally during routine blood tests for other conditions. For example, the existence of anemia and a high serum protein may suggest further testing.
See also: paraprotein
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