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technetium-99m

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technetium-99m,
the radionuclide most commonly used to image the body in nuclear medicine scans. It is preferred because of its short half-life and because the emitted photon has an appropriate energy for normal imaging techniques. The "m" indicates that this radionuclide is metastable. It is generated on site from a molybdenum source.
technetium
a chemical element, atomic number 43, atomic weight 99, symbol Tc. See Table 6.
technetium-99m
the most frequently used radioisotope in nuclear medicine, a gamma emitter having a half-life of 6.04 hours and a primary photon energy of 140 keV; symbol 99mTc.
99m
Tc sulfur coated scintiscan see scintiscan.
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Of all the radioactive isotopes used in medical diagnostics, none plays a more pivotal role than technetium-99m.
Desperately seeking moly: unreliable supplies of feedstock for widely ... by Raloff, Janet / Science News
Participants underwent electrocardiographic-gated myocardial perfusion single-photon emission computed tomographic technetium-99m tetrofosmin scintigraphy at rest and during stress at baseline and three months.
Pomegranate juice by Nutraceuticals World
Technetium-99m sestamibi imaging successfully localizes as many as 60% of hyper-plastic glands, although this technique is significantly more effective in localizing adenomas and carcinomas.
Primary parathyroid hyperplasia. (Pathology Clinic) by Thompson, Lester D.R. / Ear, Nose and Throat Journal
 
 
 
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