| technetium tc 99m pentetate | <chemical> A technetium imaging agent used in renal scintigraphy, computed tomography, lung ventilation imaging, gastrointestinal scintigraphy, and many other procedures which employ radionuclide imaging agents. Pharmacological action: chelating agents, radiopharmaceuticals. Chemical name: Technetate(1-)-99Tc, (N,N-bis(2-(bis(carboxymethyl)amino)ethyl)glycinato(5-))-, sodium (12 Dec 1998) |
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| calcium trisodium pentetate | The calcium trisodium salt of pentetic acid. Synonym: calcium trisodium pentetate. (05 Mar 2000) |
| pentetate trisodium calcium | The calcium trisodium salt of pentetic acid. Synonym: calcium trisodium pentetate. (05 Mar 2000) |
| technetium | <radiology> Tc-99m, half-life: 6.03 hr, decay: isomeric transition, radiation: gamma, 140 keV (98%) (12 Dec 1998) |
| technetium-99 | A radioisotope of technetium which is the decay product of technetium-99m and has a weak beta emission and a physical half-life of 213,000 years. (05 Mar 2000) |
| technetium-99m | A radioisotope of technetium which decays by isomeric transition, emitting an essentially monoenergetic gamma ray of 142 keV with a half-life of 6.01 hr. It is usually obtained from a radionuclide generator of molybdenum-99 and is used to prepare radiopharmaceuticals for scanning the brain, parotid, thyroid, lungs, blood pool, liver, heart, spleen, kidney, lacrimal drainage apparatus, bone, and bone marrow. 99mTc diphosphonate, a radionuclide complex used for bone scans. 99mTc-DPTA, a radionuclide chelate complex used for renal imaging and function testing. 99mTc sulfur colloid, a particulate radionuclide complex taken up by the reticuloendothelial system; used for imaging the liver and spleen. (05 Mar 2000) |
| technetium compounds | Inorganic compounds that contain technetium as an integral part of the molecule. (12 Dec 1998) |
| technetium tc 99m aggregated albumin | <chemical> A gamma-emitting radionuclide imaging agent used for the diagnosis of diseases in many tissues, particularly in cardiovascular and cerebral circulation. Pharmacological action: radiopharmaceuticals. (12 Dec 1998) |
| technetium tc 99m diethyl-iminodiacetic acid | <chemical> A nontoxic radiopharmaceutical that is used in the clinical evaluation of hepatobiliary disorders in humans. Pharmacological action: radiopharmaceuticals. (12 Dec 1998) |
| technetium tc 99m dimercaptosuccinic acid | <chemical> A nontoxic radiopharmaceutical that is used in the diagnostic imaging of the renal cortex. Pharmacological action: radiopharmaceuticals. (12 Dec 1998) |
| technetium tc 99m disofenin | <chemical> A radiopharmaceutical used extensively in cholescintigraphy for the evaluation of hepatobiliary diseases. Pharmacological action: radiopharmaceuticals. (12 Dec 1998) |
| technetium tc 99m exametazime | <chemical> A gamma-emitting radionuclide imaging agent used in the evaluation of regional cerebral blood flow and in non-invasive dynamic biodistribution studies and myocardial imaging. It has also been used to label leukocytes in the investigation of inflammatory bowel diseases. Pharmacological action: radiopharmaceuticals. (12 Dec 1998) |
| technetium tc 99m lidofenin | <chemical> A nontoxic radiopharmaceutical that is used in the clinical evaluation of hepatobiliary disorders in humans. (j nucl med 1977;18(10):997-1004) Pharmacological action: radiopharmaceuticals. (12 Dec 1998) |
| technetium tc 99m medronate | <chemical> A gamma-emitting radionuclide imaging agent used primarily in skeletal scintigraphy. Because of its absorption by a variety of tumours, it is useful for the detection of neoplasms. Pharmacological action: radiopharmaceuticals. (12 Dec 1998) |
| technetium tc 99m mertiatide | <chemical> A technetium diagnostic aid used in renal function determination. Pharmacological action: radiopharmaceuticals. Chemical name: Technetate(2-)-99Tc, (N-(N-(N-(mercaptoacetyl)glycyl)glycyl)glycinato(5-)-N,N',N'',S)oxo-, disodium, (SP-5-25)- (12 Dec 1998) |