Why is Tc99m prefered for nuclear scan?
Technetium- 99m (metastable isomer) is the most frequently used radionuclide in nuclear medicine today. Its parent nuclide, molybdenum-99 (99Mo), can be produced in either a reactor or a cyclotron. 99Mo has a half-life of 66 h and therefore 99Mo/99mTc generators can conveniently be supplied weekly to nuclear medicine departments, providing a fresh daily supply of the radionuclide. The 6-h half-life of 99mTc is sufficiently long for most imaging applications and its 140-keV gamma radiation has reasonable tissue penetration but can still be easily collimated
Why is Tc99m prefered for nuclear scan?
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Reviewed by Sumer Sethi
on
Thursday, October 16, 2014
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Sumer Sethi
Unique blend of academic excellence and entrepreneurship, heading leading firms in India- Teleradiology Providers, pioneering company providing teleradiology services and DAMS (Delhi Academy of Medical Sciences) Premier test preparation institute in India for MD/MS/MCI preparation. He has also been an invited faculty member at various conferences, including Teleradiology in IRIA 2008 and 2011, Hospital Build Middle East, Congress of the Brain Tumor Radiology in Neuro-oncology Society. Dr. Sethi is Editor-in-Chief of Internet Journal of Radiology. He has a keen interest in Web 2.0 technologies and in maintaining his famous radiology blog, which has been featured in multiple international journals.
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