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NCI Drug Dictionary

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The NCI Drug Dictionary contains technical definitions and synonyms for drugs/agents used to treat patients with cancer or conditions related to cancer. Each drug entry includes links to check for clinical trials listed in NCI's List of Cancer Clinical Trials.

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technetium Tc 99m-labeled albumin microspheres
An injectable radiopharmaceutical formulation containing human serum albumin (HSA) microspheres labeled with technetium-99m (Tc-99m) with diagnostic imaging activity. Technetium Tc 99m-labeled albumin microspheres contain the gamma-emitting Tc99m, a metastable nuclide of molybdenum-99. Upon injection into the hepatic artery, the radionuclide portion allows for SPECT (single photon emission computed tomography) imaging of distribution patterns of the albumin microspheres. This may possibly predict the distribution of other agents with similar particle sizes within the liver and may give a prediction of the tumor response upon administration of such agents. Check for active clinical trials using this agent. (NCI Thesaurus)

Synonym:(99m)Tc-labeled albumin microspheres
99mTc-labeled albumin microspheres
technetium-99m-labeled albumin microspheres