London: Researchers have thought up a new method to detect lung cancer - by shining light on cell swabs from patients` cheeks.The technique - called partial wave spectroscopic (PWS) microscopy - could distinguish between patients with lung cancer from those without.This holds true even if the non-cancerous patients are lifetime smokers or had suffered from chronic obstructive pulmonary disease.
They can uncover them by scattering light over the cells as it bounces back differently than it does from the smoother surface of healthy cells.Lead researcher Hemant Roy of NorthShore University HealthSystems, US, said: "This study is important because it provides the proof of the concept that a minimally intrusive, risk-stratification technique may allow us to tailor screening for lung cancer." IANS
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