Multiple myeloma (MM), also known as plasma cell myeloma and simple myeloma, is a cancer of the plasma cells, a type of white blood cell that normally produces antibodies. Often, no symptoms are noticed initially. As it progresses, bone pain, bleeding, frequent infections, and anemia may occur. Complications may include amyloidosis.The cause of multiple myeloma is unknown. Risk factors include obesity, radiation exposure, family history, and certain chemicals. Multiple myeloma may develop from monoclonal ...
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