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Breath Temperature, Saliva, and Used to Identify Cancer

Author: Zhang Qing
by Zhang Qing
Posted: Sep 17, 2014

As commonly known in the biomedical community, genetic and epigenetic alterations are regarded as biomarkers for cancer detection, while some scientist looked for new candidates to indentify cancer, such as breath temperature, saliva, and smell.

Breath temperature test could identify lung cancer

A novel study, from the European Respiratory Society (ERS) International Congress in Munich,

shows that testing the temperature of breath could be a simple and noninvasive method to diagnose patients with lung cancer.

Researchers enrolled 82 people in the study who had been referred for a full diagnostic test after an x-ray suggested the presence of lung cancer. They found that patients with lung cancer had a higher breath temperature than those without. Also, They identified a cut-off value in the measurement of temperature, which they proved could identify lung cancer with a high level of accuracy.

The results suggest that lung cancer causes an increase in the exhaled temperature. This is a significant finding and could change the way clinicians currently diagnose the disease. If scientists able to refine a test to diagnose lung cancer by measuring breath temperature, they will improve the diagnostic process by providing patients with a simple and cheap test.

Saliva test increase the detection of oral cancer

A simple, cost-effective saliva test was developed to detect oral cancer, a breakthrough that would dramatically improve screening and lead to fewer people dying of the world's sixth most common cancer.

Investigators in a study enrolled 100-120 patients with white lesions or growths in their mouths and tonsil areas, and looked for previously identified biomarkers to confirm the presence of oral cancer. By creating a simple saliva test which could identify the biomarker's presence, they would know which patients need treatment and which ones could avoid needless and invasive biopsies.

The key challenge to tackle the issue of a poor survival rate linked to late detection of oral cancer is to develop strategies to identify and detect the disease when it is at a very early stage. The saliva-based test, as a noninvasive technique, greatly expand the abilities of clinicians to early screen for the cancerous lesions.

Dogs Smell Cancer in Patients' Breath

A study, published in the journal Integrative Cancer Therapies, provides compelling evidence that cancers hidden beneath the skin can be detected simply by examining the odors of a person's breath. It means that after a few weeks of basic "puppy training", dogs can accurately distinguish between breath samples of lung- and breast-cancer patients and healthy subjects.

Some types of Cancer patients take a breath out with patterns of biochemical markers, since cancer cells emit different metabolic waste products than normal cells. The differences between these metabolic products are so great that they can be detected by a dog's keen sense of smell, even in the early stages of disease.

Early detection of cancers greatly improves a patient's survival chances, and researchers hope that man's best friend, the dog, can become an important tool in early screening.

About the Author

Numerologist Warda is hooked on OG-L002 fishing, collecting. And lastly her encouragement comes from socializing along with her companions.

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Author: Zhang Qing

Zhang Qing

Member since: Oct 29, 2013
Published articles: 172

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