Not only a top story for the year, but one that compromises patient health, and affects voactional security for licensed nuclear medicine technologists.

via Sam Solmon of Canadian Medicine:

The radioisotope shortage. The Chalk River nuclear plant, responsible for producing about half of the world’s supply of the technetium-99 isotope used in many diagnostic imaging exams, was shut down in May for the third time in 18 months over safety concerns after leaks were discovered and it was determined radioactive water was escaping into the Ottawa River. When the plant was shut down in 2007 for similar safety reasons, the government, worried about a world shortage of the isotope, held emergency sessions in the House of Commons and, concerned about the issued an order overriding the nation’s nuclear regulatory body’s decision to shut the plant down. But by 2009, the safety problems had become so serious that the plant’s operators had no choice but to shut down the plant, halting Canada’s production of technetium-99. Canada has no backup plan and no other nuclear reactors ready to begin production of the isotope anytime soon, since the construction of two MAPLE reactors was scrapped in 2008 after years of delays and difficulties. Foreign plants supplied Canada and the U.S. as best they could, but the shortage became so severe at times that physicians were threatening to postpone patients’ tests. In the summer, Chalk River was said to be ready to come back into service in late 2009. Late 2009 came and went. The latest estimate is that the reactor will come back on-line by the end of March. We’ll believe it when we see it. In the meantime, as nuclear medicine specialists raise alarms about their technetium-99 supply problems, Canada appears to still have no long-term plan to deal with the radioisotope shortage.