11 research outputs found

    Decipher identifies men with otherwise clinically favorable-intermediate risk disease who may not be good candidates for active surveillance

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    BackgroundWe aimed to validate Decipher to predict adverse pathology (AP) at radical prostatectomy (RP) in men with National Comprehensive Cancer Network (NCCN) favorable-intermediate risk (F-IR) prostate cancer (PCa), and to better select F-IR candidates for active surveillance (AS).MethodsIn all, 647 patients diagnosed with NCCN very low/low risk (VL/LR) or F-IR prostate cancer were identified from a multi-institutional PCa biopsy database; all underwent RP with complete postoperative clinicopathological information and Decipher genomic risk scores. The performance of all risk assessment tools was evaluated using logistic regression model for the endpoint of AP, defined as grade group 3-5, pT3b or higher, or lymph node invasion.ResultsThe median age was 61 years (interquartile range 56-66) for 220 patients with NCCN F-IR disease, 53% classified as low-risk by Cancer of the Prostate Risk Assessment (CAPRA 0-2) and 47% as intermediate-risk (CAPRA 3-5). Decipher classified 79%, 13% and 8% of men as low-, intermediate- and high-risk with 13%, 10%, and 41% rate of AP, respectively. Decipher was an independent predictor of AP with an odds ratio of 1.34 per 0.1 unit increased (p value = 0.002) and remained significant when adjusting by CAPRA. Notably, F-IR with Decipher low or intermediate score did not associate with significantly higher odds of AP compared to VL/LR.ConclusionsNCCN risk groups, including F-IR, are highly heterogeneous and should be replaced with multivariable risk-stratification. In particular, incorporating Decipher may be useful for safely expanding the use of AS in this patient population

    Updated trends in imaging use in men diagnosed with prostate cancer

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    Background:Previous studies have found persistent overuse of imaging for clinical staging of men with low-risk prostate cancer. We aimed to determine imaging trends in three cohorts of men.Methods:We analyzed imaging trends of men with prostate cancer who were a part of Cancer of the Prostate Strategic Urologic Research Endeavor (CaPSURE) (1998-2006), were insured by Medicare (1998-2006), or privately insured (Ingenix database, 2002-2006). The rates of computed tomography (CT), magnetic resonance imaging (MRI) and bone scan (BS) were determined and time trends were analyzed by linear regression. For men in CaPSURE, demographic and clinical predictors of test use were explored using a multivariable regression model.Results:Since 1998, there was a significant downward trend in BS (16%) use in the CaPSURE cohort (N=5156). There were slight downward trends (2.4 and 1.7%, respectively) in the use of CT and MRI. Among 54 322 Medicare patients, BS, CT and MRI use increased by 2.1, 10.8 and 2.2% and among 16 161 privately insured patients, use increased by 7.9, 8.9 and 3.7%, respectively. In CaPSURE, the use of any imaging test was greater in men with higher-risk disease. In addition, type of insurance and treatment affected the use of imaging tests in this population.Conclusions:There is widespread misuse of imaging tests in men with low-risk prostate cancer, particularly for CT. These findings highlight the need for examination of factors that drive decision making with respect to imaging in this setting. © 2014 Macmillan Publishers Limited

    Imaging in prostate cancer staging: present role e future perspectives

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    Despite recent improvements in detection and treatment, prostate cancer continues to be the most common malignancy and the second leading cause of cancer-related mortality. Thus, although survival rate continues to improve, prostate cancer remains a compelling medical health problem. The major goal of prostate cancer imaging in the next decade will be more accurate disease characterization through the synthesis of anatomic, functional, and molecular imaging information in order to plan the most appropriate therapeutic strategy. No consensus exists regarding the use of imaging for evaluating primary prostate cancer. However, conventional and functional imaging are expanding their role in detection and local staging and, moreover, functional imaging is becoming of great importance in oncologic management and monitoring of therapy response. This review presents a multidisciplinary perspective on the role of conventional and functional imaging methods in prostate cancer staging
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