A National Cancer Institute-funded study in Radiology found heavy smokers screened with low-dose spiral CT were 20 percent less likely to die of lung cancer than those screened with chest X-rays. Most earlier trials, including an Italian study of 2,472 men, found no such benefit.
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Spiral CT
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Many physicians don't follow guidelines about lung cancer screening
A National Cancer Institute survey of 962 primary care physicians found two-thirds thought spiral CT screening cuts lung cancer deaths in smokers and 67 percent would recommend screening asymptomatic patients, though the authors say no guideline or high-quality study supports it.
Drug
Spiral CT cuts lung cancer death risk in heavy smokers
In an NCI-funded trial of more than 53,000 smokers aged 55 to 74, those screened with low-dose spiral CT were 20 percent less likely to die of lung cancer than those given chest x-rays, with 354 lung cancer deaths versus 442. All-cause mortality was 7 percent lower.
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