A drug or substance used to treat hypercalcemia (abnormally high blood calcium) and bone pain caused by some types of cancer. Forms of diphosphonates are also used to treat osteoporosis and for bone imaging. Diphosphonates inhibit a type of bone cell that breaks down bone. Also called bisphosphonate.
( dy-FOS-foh-nayt )
Source: NCI Dictionary of Cancer Terms
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