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Keyword: technetium99

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  • New Source of an Isotope in Medicine Is Found

    02/17/2010 7:29:05 PM PST · by neverdem · 6 replies · 424+ views
    NY Times ^ | February 17, 2010 | MATTHEW L. WALD
    WASHINGTON — Just as the worldwide shortage of a radioactive isotope used in millions of medical procedures is about to get worse, officials say a new source for the substance has emerged: a nuclear reactor in Poland. The isotope, technetium 99, is used to measure blood flow in the heart and to help diagnose bone and breast cancers. Almost two-thirds of the world’s supply comes from two reactors; one, in Ontario, has been shut for repairs for nine months and is not expected to reopen before April, and the other, in the Netherlands, will close for six months starting Friday....
  • Shortage prompts delay in medical tests

    12/08/2007 10:52:59 PM PST · by neverdem · 1 replies · 133+ views
    San Luis Obispo Tribune ^ | Dec. 07, 2007 | MALCOLM RITTER
    AP Science Writer Thousands of patients are facing delays in crucial medical tests because of a shortage of a radioactive substance used in those examinations - all because of the shutdown of one nuclear reactor in Canada. The substance is used in at least 15 million medical scans a year in the United States, by one estimate. Those scans are used to diagnose and assess a wide variety of conditions including cancer, heart disease and bone or kidney illnesses. They are often crucial for guiding therapy, telling a doctor whether a woman's breast cancer has invaded her bones, for example....