Our take: While it is important for physicians to diagnose, the risks associated with multiple CT scans may not be worth it. However, between 1996 and 2010 the rate at which patients receive a CT scan has tripled.
These results confirm that we have to use CT scanning judiciously, says Smith-Bindman. While the test can have great benefit, it can also have the potential to cause real and significant risk.
Indeed, in a study recently published in The Lancet, scientists found that otherwise healthy children who had multiple CT scans after falls, accidents or to diagnose infection were three times more likely to develop brain tumors and four times more likely to be diagnosed with leukemia later on, compared with children who were exposed to less radiation.
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