Tags: prostate | cancer | mir

Better Prostate Cancer Imaging?

Friday, 05 Oct 2012 11:38 AM


University of Cincinnati researchers are touting what they say is a better imaging technique for prostate cancer that can more accurately detect tumors and determine if men need surgery or less aggressive treatment.
The technique, called “Prostate MR,” is an emerging medical technology that uses magnetic resonance imaging (MRIs) to provide high-quality images to help physicians in the diagnosis, staging and treatment of prostate cancer.
Prostate cancer is the second most commonly diagnosed cancer in men and the second leading cause of cancer death in American men. Federal health officials say it strikes more than 240,000 men a year and causes more than 33,700 deaths.
Currently, prostate screening involves blood tests for PSA (prostate-specific antigen) levels and digital rectal exams (DRE). When those tests suggest a man may have prostate cancer, doctors often perform what’s called a TRUS procedure — short for transrectal ultrasound-guided biopsy — in an effort to detect the presence, extent and aggressiveness of cancer. But the TRUS procedure has a low accuracy rate.
Treatment — involving surgery, radiation or chemotherapy — is typically determined by how much the cancer is advanced.
But the Cincinnati researchers said MRIs offer a better way to detect prostate cancer and help determine the best course of treatment.
In a new report, published in the journal Abdominal Imaging, Cincinnati researchers found the use of MRI-guided biopsies were more accurate than TRUS procedures in identifying prostate tumor cells.
“Magnetic resonance imaging has a higher sensitivity for detecting prostate carcinomas than DRE and TRUS in patients having an elevated PSA value and a negative TRUS biopsy,” said the researchers. “The role of MRI has evolved over the past decade with development of newer techniques to localize stage and obtain functional information about the tumor.”
The researchers also said MRIs have also been shown to help determine prostate cancer that is likely to spread to other parts of the body, aid surgeons trying to decide whether to remove or spare the delicate nerve cells that surround the prostate gland, and even guide radiologists in targeting tumors more effectively with radiation treatments.


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Researchers are touting new MRI technique to help diagnose, stage and treat prostate cancer.
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Friday, 05 Oct 2012 11:38 AM
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