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technetium-99m

A Dictionary of Nursing | 2008 | Â© A Dictionary of Nursing 2008, originally published by Oxford University Press 2008. (Hide copyright information) Copyright

technetium-99m (tek-nee-shi-ŭm) n. an isotope of the artificial radioactive element technetium. It emits gamma radiation and is widely used in nuclear medicine as a tracer for the examination of many organs.

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	Technetium-99m-tetrofosmin for parathyroid scintigraphy: Comparison to thallium-technetium scanning Magazine article from: The Journal of Nuclear Medicine; 8/1/1998; ; 700+ words ; ...hr postinjection were also obtained. Technetium-99m-pertechnetate was used for thyroid...washout technique and the thallium/technetium subtraction (TL UTC) were compared...observed (p = 0.005). Conclusion: Technetium-99m-tetrofosmin is suitable for...
	Pharmacology study of the neutral myocardial imaging agent technetium-99m-N(NOEt)2 Magazine article from: Journal of Nuclear Medicine Technology; 3/1/1999; ; 700+ words ; ...postinjection, respectively. Conclusion: Technetium-99m-N(NOEt)^sub 2^ exhibited...required. Key Words: myocardial imaging; technetium-99m-N(NOEt)^sub 2^; biodistribution...Determination of Radiochemical Purity of Technetium.99m.N(NOEt)^sub 2^ The radiochemical...
	Is Technetium-99m-MIBI a Relevant Tracer to Tumor Response to Chemotherapy of Bone Lesions? Magazine article from: The Journal of Nuclear Medicine; 5/1/1998; ; 700+ words ; Is Technetium-99m-MIBI a Relevant Tracer to Tumor...chemotherapy comparable to ^sup 201^T1. Technetium-99m-MIBI accumulation in tumors...glycoprotein (Pgp) expression (2 ). Technetium-99mMIBI is a well-documented transport...
	Interaction of technetium-99m-N-NOET with blood elements: Potential mechanism of myocardial redistribution Magazine article from: The Journal of Nuclear Medicine; 1/1/1997; ; 700+ words ; Technetium-99m-N-NOET is a new ^sup 99m...five hearts (Group 5). Results: Technetium-99m-N-NOET myocardial uptake...8.6%) in triple-washed RBCs. Technetium-99m-N-NOET bound to RBCs was subsequently...
	The false negative technetium-99m-sestamibi scan in patients with primary hyperparathyroidism: Correlation with clinical factors and operative findings / Discussion Magazine article from: The American Surgeon; 3/1/2003; ; 700+ words ; ...FN) results limit the efficacy of technetium-99m-sestamibi scanning for parathyroid...preoperative normocalcemia. CURRENTLY TECHNETIUM-99M-SESTAMIBI scintigraphy has the...to an increased enthusiasm for using technetium-sestamibi parathyroid imaging before...
	Comparison of technetium-99m-MIBI and technetium-99m-tetrofosmin uptake by musculoskeltal sarcomas Magazine article from: The Journal of Nuclear Medicine; 5/1/1997; ; 700+ words ; Technetium-^sup99m^-MIBI was initially developed...both background regions. Conclusion: Technetium^sup99m^-MIBI and ^sup99m^Tc...Key Words: musculoskeletal sarcoma; technetium-^sup99m^-MIBI; technetium-99m...
	Procedure Guideline for Brain Perfusion SPECT Using Technetium-99m Radiopharmaceuticals Magazine article from: The Journal of Nuclear Medicine; 5/1/1998; ; 700+ words ; ...Radiopharmaceuticals (See Tables 1 and 2.) a. Technetium-99m-HMPAO (exametazime [unstabilized]). b. Technetium-99m-HMPAO (exametazime [stabilized]). c. Technetium-99m-bicisate (ethyl cystine dimer [ECD]). 2...
	Comparison of technetium-99m-LL-EC isomers in rats and humans Magazine article from: The Journal of Nuclear Medicine; 5/1/1997; ; 700+ words ; Technetium-99m-L,L-ethylenedicysteine...timed urine collections. Results: Technetium-99mDD-EC had the highest clearance...99m^Tc-DL-EC, respectively. Technetium- ^sup 99m^Tc-DD and ^sup 99m...
	Technetium-99m-tetrofosmin, technetium-99m-MIBI and thallium-201 uptake in rat myocardial cells Magazine article from: The Journal of Nuclear Medicine; 2/1/1998; ; 700+ words ; ...uptake may be related to Na+. Key Words: technetium-99m-tetrofosmin; technetium-99m-MIBI; thallium-201; myocardial...tracers inside cells seem to be different. Technetium ^sup 99m^-MIBI is localized mostly inside...
	Clinical evaluation of technetium-99m-L,L-ethylenedicysteine in patients with chronic renal failure Magazine article from: The Journal of Nuclear Medicine; 5/1/1997; ; 700+ words ; Technetium-99m-L,L-ethylenedicysteine...1251-hippuran value. Conclusion: Technetium-99m-L,L-EC provides equally...patients with chronic renal failure. Technetium-99m-L,L-EC clearance more closely...

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	Technetium Book article from: Chemistry: Foundations and Applications Technetium melting point: 2,157°Cboiling...TcO 4− The discovery of technetium in 1937 by the Italian scientists Carlo...element had ever been found. (In fact, technetium does not occur naturally on Earth...
	technetium Book article from: The Columbia Encyclopedia, Sixth Edition technetium [Gr. technetos =artificial], artificially...calculated); valence +4, +6, or +7. Technetium is a radioactive silver-gray metal...element. The most stable isotope, technetium-98, has a half-life of 4.2 million...
	technetium star Book article from: A Dictionary of Astronomy technetium star A carbon star with technetium lines in its spectrum. Since the longest-lived isotope of technetium that can be created by stellar nucleosynthesis has a half-life of only 210 000 years, this material must have been...