Washington: Breath testing could be used to discriminate between benign and malignant pulmonary nodules, which can help in efficient diagnosis of lung cancer, a new study has claimed. The study looked at 74 patients who were under investigation for pulmonary nodules and attended a referral clinic in Colorado between March 2009 and May 2010. Researchers collected exhaled breath from each patient, analysing the exhaled volatile organic compounds using gas chromatography with mass spectrometry and information from chemical nanoarrays. The patients also underwent a bronchoscopy, wedge resection or lobectomy, whichever was required for final diagnosis.
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