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    MRI guiding future of prostate cancer diagnosis

    National Report—Most prostate cancer experts aren’t ready to call the incorporation of MRI fusion into prostate biopsies the gold standard in prostate cancer imaging and diagnosis. But they envision a day when it will be.

    Generally, MRI-ultrasound fusion biopsy involves taking an MRI, then, at a separate appointment, fusing these data with real-time ultrasound images to help guide biopsy procedures.

    “The beauty of it is that it brings the MRI into the clinic, where urologists can perform targeted biopsies in much the same way they do standard transrectal ultrasound [TRUS] biopsies,” said Leonard S. Marks, MD, professor of urology at UCLA, where nearly 1,200 biopsies using the new technology have been performed since 2009.

    Clinical images of fusion-guided prostate biopsyFusion-guided prostate biopsy is performed at North Shore-LIJ School of Medicine using the UroNav system. Bottom screen shows a previously obtained MRI; green circle with red dot represents suspicious area. Top screen shows a real-time ultrasound, with red outline indicating the MRI that has been overlaid. Biopsy needle can be placed deep into the prostate to biopsy the top of the gland, which is not normally sampled during a standard 12-core biopsy.

    Continue to next page for more.

    John Jesitus
    John Jesitus is a medical writer based in Westminster, CO.

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