Prostate biopsies that combine MRI technology with ultrasound appear
to give men better information regarding the seriousness of their
cancer, a new study suggests.
The new technology which uses MRI scans to help doctors biopsy
very specific portions of the prostate diagnosed 30 percent more
high-risk cancers than standard prostate biopsies in men suspected of
prostate cancer, researchers reported.
These MRI-targeted biopsies also were better at weeding out low-risk
prostate cancers that would not lead to a man's death, diagnosing 17
percent fewer low-grade tumors than standard biopsy, said senior author
Dr. Peter Pinto. He is head of the prostate cancer section at the U.S.
National Cancer Institute's Center for Cancer Research in Bethesda, Md.
These results indicate that MRI-targeted biopsy is "a better way of
biopsy that finds the aggressive tumors that need to be treated but also
not finding those small microscopic low-grade tumors that are not
clinically important but lead to over treatment," Pinto said.
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