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Low-Dose CT and Early Detection of Lung Cancer

Last updated 5 years ago

Even though the American Cancer Society estimates that more than 220,000 new cases of lung cancer will be diagnosed in 2012, it’s important to know that lung cancer is one of the most preventable types of cancer. The outcome of a lung cancer diagnosis can be improved and life expectancy increased if the cancer is identified and treated early. A lung screening is one of the best methods for early detection.

The new technology of the low-dose spiral computed tomography (CT) scanner has the potential to detect 85 percent more cases of lung cancer at stage one or two than a chest x-ray. This option for lung cancer screening has a decreased amount of radiation exposure for patients.

If you or a loved one is at risk for lung cancer, a lung screening by a low-dose CT scanner can offer peace of mind and can lead to early detection. With a dosage comparable to a standard mammogram, a low-dose CT scanner uses x-rays and complex computers to create cross-sectional images that enable clinicians to detect abnormalities much earlier.

Early detection means a more positive prognosis. The National Cancer Institute discovered mortality was reduced by 20 percent among those who received a low-dose CT scan instead of a chest x-ray. Unfortunately, more than 60 percent of lung cancer cases are currently diagnosed at stage three or four, limiting treatment options and reducing life expectancy.

Take the Saddleback Memorial online risk assessment to see if you are at risk for lung cancer.  We encourage anyone at high risk of lung cancer to get screened. To find out more, visit:

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