NCI Dictionary of Cancer Terms
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technetium Tc 99m demobesin-4 (tek-NEE-shee-um … deh-MAH-beh-sin …)
|A substance being studied as a way to find certain types of cancer. It contains a radioactive substance called technetium linked to another substance called demobesin. Demobesin binds to the receptor for bombesin (a substance that is found at higher-than-normal levels on some types of cancer cells). Technetium Tc 99m demobsin-4 collects in cancer cells and a machine is used to find where the cancer cells are in the body. It is a type of radiopharmaceutical and a type of radioimaging agent.|