To the Editor: In the United States, the most common methodfor diagnosing prostate cancer is a transrectal ultrasound-guidedneedle biopsy of the prostate gland. However, the positive predictivevalue of this method is only 18 percent.1 We used a real-time,intraoperative magnetic resonance imaging (MRI) guidance system(General Electric, Milwaukee)2 to diagnose and treat prostatecancer in a 62-year-old man with a rising prostate-specificantigen level. The patient was not a candidate for a transrectalultrasound-guided prostate biopsy because of a previous proctocolectomyfor ulcerative colitis.
For the diagnosis, we used a real-time, intraoperative 0.5-TMRI system2 and a . . . [Full Text of this Article]
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