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´╗┐Dogs May Help Spot Human Prostate Cancers

Two specially trained dogs were able to detect organic chemicals released into urine by prostate cancers with a combined accuracy rate of 98 percent, according to findings scheduled for presentation on Sunday at the annual meeting of the American Urological Association in Orlando, Fla.

"With our study, we have demonstrated that the use of dogs might represent in the future a real clinical opportunity if used together with common diagnostic tools," such as the prostate cancer blood test called PSA, biopsy and imaging scans, Nike Metcon 1 Dark Grey Volt Black White

Taverna said the results show that canines could prove a valuable asset in diagnosing prostate cancer.

"Screening for prostate cancer is a very controversial area, and while I would like to think dogs could solve that Nike Metcon For Women

"Our standardized method is reproducible, low cost and non invasive for the patients," he said. "The potential of using a dog for recognizing prostate cancer might reduce unnecessary prostate Nike Lebron 11 Low Black Gum For Sale

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The dogs were then tested using a separate set of urine samples, because "dogs have an incredible memory and might simply be picking up and recalling individual scents" from the training samples, he said.

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Researchers trained the two dogs using hundreds of urine samples taken from both healthy people and those with prostate cancer. Prostate cancer tumors produce chemicals called volatile organic compounds, which easily evaporate into the air and produce a scent that can be detected by the highly sensitive canine nose.

Previous research has shown dogs' ability to detect cancer and other diseases. For Nike Lebron Basketball Shoes Sale example, a recent study found that dogs could accurately identify patients with lung cancer by smelling their breath, said Dr. Charles Ryan, an associate professor of medicine and urology at the University of California, San Francisco, Helen Diller Family Comprehensive Cancer Center.

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said Dr. Gianluigi Taverna, a researcher with Humanitas Research Hospital in Milan.

Because this study's findings were presented at a meeting, they should be considered preliminary until they've been published in a peer reviewed journal.

SUNDAY, May 18, 2014 (HealthDay News) Dogs can be trained to sniff out evidence of prostate cancer in human urine with near perfect accuracy, Italian researchers report.

The research team trained and tested the dogs using urine samples taken from 677 people, including 320 prostate cancer patients and 357 healthy individuals. The prostate cancer patients ran the gamut from men with very low risk tumors up to men whose cancer had spread to other organs.

But Ryan remains skeptical regarding the regular use of canines for cancer detection.

He added that bringing dogs into prostate cancer detection could be particularly problematic.

A debate currently is raging over whether prostate cancer is overdetected and overtreated, given that most men develop the cancer late in their life and end up dying of other causes. Those who are treated for prostate tumors often suffer problems such as impotence and incontinence, leading some doctors to argue that it might be better to leave prostate tumors undetected.

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biopsies and pinpoint patients at high risk for prostate cancer."

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"I would say it's very interesting and it would be of interest to dog owners and the public, but I'm not sure how we would integrate it into the day to day clinical care of patients," Ryan said.

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problem, I don't think that's a possibility," Ryan said. "That said, it's fascinating to think as a scientist these things are out there and actually exist."

The dogs received a reward when they caught the scent of a cancer infected sample and sat in front of it. "Training was a full time job for the team, who worked five days a week," Taverna said.

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One dog proved able to accurately detect the presence of prostate cancer 98.9 percent of the time, while the other had an accuracy rating of 97.3 percent.

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