CT scans were acquired using a multislice spiral CT scanner (Philips AcQsim Philipss, Cleveland, OH).
Chest CT was acquired with a 16-slice spiral CT scanning unit (Volume Zoom, Siemens Co., Forchheim, Germany).
Magnetic resonance imaging (MRI) and spiral CT are non-invasive and have high sensitivity and specificity but have high costs and for spiral CT include the risk for contrast dye.
He screened 1,520 smokers and former smokers with spiral CT lung scans.
That may sound like a slam-dunk case for spiral CT screening, but it isn't.
And he is very worried about the rapid spread of spiral CT screening for lung cancer.
Dr. Henschke's study had shown that spiral CT scanners could find tiny lung cancers.
People who undergo spiral CT lung scans probably "assume that this could save their lives," Dr. Swensen said.
Spiral CT scanner captures larger volume tissue in a short scan time.
Spiral CT was introduced 15 years ago as a technique for screening lung cancer.
To assess the cost-effectiveness of spiral CT for the diagnosis of acute pulmonary embolism.
