Pronunciation: (PLAZ-muh-sy-TOH-muh)

A type of cancer that begins in plasma cells (white blood cells that produce antibodies). A plasmacytoma may turn into multiple myeloma.

Source: NCI Dictionary of Cancer Terms

Caption: Blood cell development. A blood stem cell goes through several steps to become a red blood cell, platelet, or white blood cell.

Date last modified: 2008-05-30