"Bio-detection" dogs in trial to be used for prostate cancer sniffing

Many urologists agree that the PSA test for detecting prostate cancer is often unreliable, but it remains widely used because there are no other relatively inexpensive tests. Researchers in Britain say this method may soon be replaced with dogs trained to sniff out the type of cancer that, according to the American Cancer Society, affects one in every 7 men. VOA’s George Putic reports:



It takes 6 months to train a dog to detect prostate cancer. According to the report, trained dogs can detect prostate tumors in urine in 93 percent of cases.

"These dogs have the ability to screen hundreds of samples in a day; it's something they find very easy, they enjoy their work. To them it's a hunt game - they find the cancer."

The alternative, "electronic nose" sensitivity is well below the one of a dog. A dog can find 1 part per trillion. An electronic nose is unable to find anything below 1 per million.

References:

Cancer sniffing dogs to aid British doctors. Reuters. http://buff.ly/1PWNrOL

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