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Early breast cancer can be detected by respiratory, urine tests



A new application of respiratory and urine tests could examine early breast cancer – the most commonly diagnosed cancer in women worldwide.

Breast cancer biomarkers were found in a new study by researchers at Ben-Gurion University using two "nose gas" sensors based on respiratory and gas chromatography mass spectrometry (GC-MS) – a method of testing substances in urine.

"Breast cancer survival is strongly associated with the sensitivity of tumor detection," co-author of the study, Yehuda Zeiri said in a release. "Accurate methods of detecting smaller, earlier tumors remain a priority (and) our new approach of analyzing urine and exhaled breath samples with cost-effective, commercially available techniques is non-invasive, accessible, and easily implemented in a variety of environments . "

The study published in the journal Computers in Biology and Medicine found that the breathing method was able to detect the cancerous cells more than 95% of the time with the electronic e-nose. The low-cost device sensed the disease by providing a unique breathing pattern in women.

Similarly, the urine test proved to be accurate in 85% of cases.

The Current Primary Method of Breast Cancer Screening ̵

1; Via Mammography – Depending on the study, very small tumors may not always be present in Tight Tissue Tests are usually 75% to 85% accurate, but this figure is between 30% and 50% in fuller women. And dual-energy digital mammography – a more effective means of finding small tumors – is expensive and exposes patients to radiation. Invasive, difficult-to-remove biopsies are the only other option.

"We have now shown that low-cost, commercial electronic noses are sufficient to classify cancer patients in the early stages," said Reiri. "As you continue your studies, it may also be possible to analyze exhaled breath and urine specimens to identify other cancers."

Tags:
Cancer
Health Studies
Women's Health

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