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Active surveillance, an initial option for patients with low-risk localized prostate cancer, generally consists of periodic prostate-specific antigen (PSA) testing and repeated prostate biopsies; surgery or radiation therapy are offered if those tests suggest local progression or initial understaging.
In this study, researchers examined active surveillance practices using data from a Michigan urology consortium that includes 85% of the state's urologists. Specifically, the investigators assessed concordance with National Comprehensive Cancer Network guidelines, which recommend PSA testing “at least as often as every 6 months,” and repeat biopsies “as often as annually.” Cases were considered guideline-concordant if at least three PSA tests a…