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Urologists Debunk Misleading, Grossly Inaccurate Prostate Cancer Biopsy Study
Date:4/13/2012

house urology pathology labs.  Mitchell claims that positive biopsy rates fell from 27.4 percent to around 21 percent, as much as 14 percent lower than her control group – a claim that is hardly credible given that extended biopsies are reported to increase the detection rate of clinically significant cancer by more than 30 percent. To verify this, eight of the largest urology groups from across the United States reviewed their actual positive biopsy rates from their in-house pathology labs. The results were staggering:  with between two and seven years of follow-up, an aggregate 42,474 prostate biopsies were performed with 16,990 positives, or 40 percent. This difference between Mitchell's work, calculated by mathematical manipulation of carefully selected claims data, and actual data derived from real-time tracking of results from a broad cross section of groups can only be explained by a serious flaw in the algorithm Mitchell used to derive her data.

True academic research, as well as clinical experience, confirms that 12 core prostate biopsies are the gold standard for the most accurate diagnosis for prostate cancer.  Mitchell's own data shows that urology groups with in-house pathology labs routinely performed 12 cores, when practices in her control group only did six. Honest interpretation of Mitchell's data suggests that patients treated by integrated urology groups received more appropriate, evidence-based treatment than those treated elsewhere.

Please visit http://lugpa.org/about/press.aspx to read LUGPA's complete response to Mitchell's faulty and misleading analysis.

About LUGPA

LUGPA represents 95 large urology group practices in the United States, with more than 1,800 physicians who make up more than 20 percent of the nation's practicing urologists. LUGPA and its member practices are committed to best practices, research, data collection,
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SOURCE Large Urology Group Practice Association
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