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Blood Test Accurate in Later Stage Lung Cancer Diagnosis

Blood Test Accurate in Later Stage Lung Cancer Diagnosis | Lung Cancer Dispatch | Scoop.it

"Simple blood tests for cancer diagnosis and post-treatment assessment are getting closer all the time. New research has shown that a new assay for measuring circulating tumor DNA (ctDNA) could detect essentially all stage II-IV non-small-cell lung cancers (NSCLC), and is even about 50% sensitive in finding stage I NSCLC as well."


" 'Analysis of ctDNA has the potential to revolutionize detection and monitoring of tumors,' wrote investigators led by senior study author Maximilian Diehn, MD, PhD, of Stanford University School of Medicine, in Nature Medicine. 'Noninvasive access to cancer-derived DNA is particularly attractive for solid tumors, which cannot be repeatedly sampled without invasive procedures.' "

Cancer Commons's insight:

Cancer Network  |  Apr 24, 2014

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DNA Shed by Tumors Shows Promise for Non-Invasive Screening and Prognosis

DNA Shed by Tumors Shows Promise for Non-Invasive Screening and Prognosis | Lung Cancer Dispatch | Scoop.it

"Certain fragments of DNA shed by tumors into the bloodstream can potentially be used to non-invasively screen for early-stage cancers, monitor responses to treatment and help explain why some cancers are resistant to therapies, according to results of an international study led by Johns Hopkins Kimmel Cancer Center investigators.


"Analyzing blood samples from 640 patients with various cancers, the researchers used digital polymerase chain reaction-based technology (a sophisticated method of multiplying and measuring the number DNA molecules) to evaluate how well the DNA fragments predicted the presence of tumors in the patients."

Cancer Commons's insight:

Medical Xpress  |  Mar 6, 2014

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Cancer Commons's curator insight, March 6, 2:39 PM

Medical Xpress  |  Mar 6, 2014

Cancer Commons's curator insight, March 6, 2:39 PM

Medical Xpress  |  Mar 6, 2014