Definition of technetium Tc 94m sestamibi - NCI Dictionary of Cancer Terms

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technetium Tc 94m sestamibi (tek-NEE-shee-um … SES-tuh-MIH-bee)

A substance being studied in certain cancer-imaging tests using positron emission tomography (PET). It contains a radioactive substance called technetium, bound to another substance called sestamibi, that helps it enter cells. It may help show how well cancer cells take up anticancer drugs. It is a type of radiopharmaceutical.

Previous Definitions:	tazarotene, Tazorac, TB, TCM, tea tree
Next Definitions:	technetium Tc 99m dextran, technetium Tc 99m sulfur colloid, tegafur, tegafur-uracil, teicoplanin