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NCI Dictionary of Cancer Terms


liothyronine sodium  listen  (LY-oh-THY-roh-neen SOH-dee-um)

  A drug that is used to treat certain thyroid (a gland located near the voice box) conditions. It is also being studied in the treatment of thyroid cancer. Liothyronine sodium is made in the laboratory and is a form of the thyroid hormone triiodthyronine (T3). Also called Cytomel and Triostat.