Technetium-99m (Tc-99m) is the most used radioactive tracer with over 30 million tests per year done all over the world. When tagged to a pharmaceutical or biological marker, it helps evaluate, diagnose or manage cancer spread, blood flow and cardiac function; brain activity and thyroid disease; and detect osseous metastasis, fractures and infections (bone scan). . . Tc-99m is a metastable isotope of molybdenum-99 (Mo-99). . . Lately, Tc-99m supply chain has come under stress.
(Read the rest of the article and what is being done about the this radiotracer's shortage at maiblog)
(Picture from: Science. 2011 Jan 21;331(6015):277)
Service, R. (2011). Scrambling to Close the Isotope Gap Science, 331 (6015), 277-279 DOI: 10.1126/science.331.6015.277
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