Technetium-99m (99m Tc) is a metastable nuclear isomer of technetium-99 (itself an isotope of technetium), symbolized as 99m Tc, that is used in tens of millions of medical diagnostic procedures annually, making it the most commonly used medical radioisotope in the world.

2020年10月22日 · Technetium-99m (99mTc) is an FDA-approved radionuclide agent for diagnostic imaging across various human organs, encompassing critical areas such as the brain, lungs, heart, and more. Following systemic administration, 99mTc is …

2025年2月1日 · Technetium Tc 99m medronate injection is used to help your doctor see an image of your bones to help diagnose bone problems. This medicine is to be given only by or under the direct supervision of a doctor with specialized training in nuclear medicine.

2025年2月6日 · Technetium-99 (chemical symbol Tc-99) is a silver-gray, radioactive metal. It occurs naturally in very small amounts in the earth's crust, but is primarily man-made. Technetium-99m is a short-lived form of Tc-99 that is used as a medical diagnostic tool.

• Tc-99m is used in clinical and research diagnostic scanning and imaging. • Whole body and extremity exposures, skin contamination (dose), ingestion, inhalation, puncture/injection, absorption through skin, and area contamination are primary radiological safety

2024年11月20日 · Technetium Tc-99m | Tc | CID 26476 - structure, chemical names, physical and chemical properties, classification, patents, literature, biological activities, safety/hazards/toxicity information, supplier lists, and more.

2018年2月7日 · The decay product of molybdenum-99 (Mo-99), technetium-99m (Tc-99m), is used in about 80 percent of all nuclear medicine procedures worldwide. It is the isotope of choice for single-photon emission computed tomography (SPECT) because of its 140-keV gamma-ray emission, its convenient half-life of 6 hours, and availability in the form of Mo-99/Tc ...

2024年9月12日 · Technetium agents based on the technetium-99m (Tc-99m) radioisotope are frequently used agents in medical imaging. A radiopharmaceutical labeled with Tc-99m constitutes a co-ordination complex in which ligands bond to a central atom of Tc-99m by co-ordinate covalent bonds 4 .

2025年2月1日 · Technetium Tc 99m albumin aggregated injection is used to help your doctor see an image of your lungs to help evaluate lung problems in children and adults. It is also used to help your doctor see an image of your peritoneovenous [LeVeen] shunt.

However, the rapid succession of discoveries of the element technetium (Tc), the molybdenum-99 (Mo-99)/Tc-99m generator and the “instant” kit concept led to unparalleled growth in nuclear medicine . Tc-99m radiopharmaceutical imaging is a key …