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A new, smaller version of the device has since been developed that can plug into a computer's USB port, Peled said. Fred Hirsch, an investigator at the University of Colorado Cancer Center and professor at the University of Colorado School of Medicine in Denver.
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Recent advances in technology have allowed scientists to create devices that can detect these particles down to one part per trillion, vastly improving the ability to create detailed cancer scent signatures, Peled said.
The new study involved 358 people located in the United States and Israel. Of those, 213 had lung cancer and of those, 143 had advanced stage cancer. Another 145 did not have lung cancer.
Doctors had the patients blow into a balloon, which was then attached to a very sensitive gold nanoparticle sensor. Technion Institute, a laboratory in Haifa, Israel, then analyzed the particles in the sensor trap for volatile organic compounds that are evidence of lung cancer.
MONDAY, June 2, 2014 (HealthDay News) People may soon be able to learn whether or not they have lung cancer and how bad their cancer is by breathing into a tube.
the Davidoff Cancer Center in Israel. "The more tumor you have, the more robust signature you produce."
Researchers have developed a breathalyzer that can detect lung cancer and assess whether it is early or advanced, according to findings presented this weekend at the American Society of Clinical Oncology meeting in Chicago. Nir Peled, an oncologist with Mens Nike Air Vapormax Flyknit
Lung cancer tumors produce chemicals called volatile organic compounds, which easily evaporate into the air and produce a discernable scent profile.
The potential of a breath test for lung cancer is "certainly exciting," said Dr. Jyoti Patel, an ASCO spokeswoman and an oncologist at the Robert H. Lurie Comprehensive Cancer Center of Northwestern University in Chicago. "We know that screening people for lung cancer can substantially impact survival. If we can do it cheaply, this would be a go to test."
Breath Test May Spot Lung Cancer
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The device and subsequent analysis accurately sorted healthy people from people with early stage lung cancer 85 percent of the time, and healthy people from those with advanced lung cancer 82 percent of the time, researchers said.
The device could prove valuable in helping determine patients who need more intensive screening for lung cancer, Patel and Peled said.
Control and Prevention.
The test also accurately distinguished between early and advanced lung cancer 79 percent of the time.
Researchers for years have been investigating ways to detect lung cancer from a person's breath. For example, a 2011 study reported that dogs had been trained to reliably sniff out lung cancer in human breath.
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