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PET Outperforms CT In Malignant Lung Nodules

Posted on 7 January 2009 | 2:46 am by

Scientists involved in a large, multi-institutional study comparing the accuracy of positron emission tomography (PET) and computed tomography (CT) in the characterization of lung nodules observed that PET was far more reliable in detecting whether or not a nodule was cancerous. "CT and PET have been widely used to characterize solitary pulmonary nodules (SPNs) as non-malignant or cancerous," said James W. Fletcher, professor of radiology at Indiana University School of Medicine in Indianapolis, Ind. "Almost all prior studies examining the accuracy of CT for characterizing lung nodules, however, were performed more than 15 years ago with outdated technology and methods, and prior PET studies were limited by small sample sizes," he noted........

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