نتایج جستجو برای: gleason grading
تعداد نتایج: 22073 فیلتر نتایج به سال:
BACKGROUND AND PURPOSE To determine appropriate risk-stratification factors for prostate cancer patients undergoing stereotactic body radiotherapy (SBRT). MATERIALS AND METHODS Between 2006 and 2010, 515 patients with organ-confined prostate cancer were treated with a regimen of five-fraction SBRT to dose of 35-36.25 Gy. By NCCN criteria, 324 patients were low risk, 153 were intermediate risk...
Objectives. This research was conducted to describe a novel technique for performing robotic-assisted laparoscopic prostatectomy (RALP) using a retrograde approach that mimics the classic open surgical technique. Methods. From June 2009 to March 2011, we performed 18 nonconsecutive RALPs using a novel retrograde approach. Patients were initially selected with D'Amico low to intermediate risk di...
BACKGROUND The objective of this study was to evaluate the relation between the kinetics of prostate-specific antigen (PSA) decline after the initiation of androgen-deprivation therapy (ADT) and overall survival (OS) in men with metastatic, hormone-sensitive prostate cancer (HSPC). METHODS The authors' institutional database was used to identify a cohort of men with metastatic HSPC who were t...
OBJECTIVES The percentage of total prostate needle biopsy tissue with cancer was previously found to be a stronger predictor of biochemical failure after radical prostatectomy (RP) than either biopsy Gleason score or serum prostate-specific antigen (PSA). To improve our ability to predict preoperatively the risk of biochemical recurrence after RP, we sought to determine the cutpoints of the per...
INTRODUCTION Radical prostatectomy (RP) is considered the best treatment for the management of localized prostate cancer in patients with life expectancy over 10 years. However, a complete recovery is not guaranteed for all patients who received/underwent RP treatment. Biochemical recurrence is frequently observed during the post-operative follow-up period. The main objective in this study is t...
The Prostate Cancer Prevention Trial (PCPT) showed a decreased prostate cancer rate but an increased rate of high Gleason grade disease on biopsy for finasteride versus placebo. The results from radical prostatectomy (RP) on 25% of the men undergoing RP have recently been reported and suggest that grading artifacts in biopsy Gleason scoring may have occurred. We used a statistical model to extr...
Abstract An existing preoperative nomogram predicts the probability of prostate cancer recurrence, defined by prostate-specific antigen (PSA), at 5 years after radical prostatectomy based on clinical stage, serum PSA, and biopsy Gleason grade. In an updated and enhanced nomogram, we have extended the predictions to 10 years, added the prognostic information of systematic biopsy results, and ena...
PURPOSE The aim of our study is to evaluate the undergrading and understaging rates in patients with clinically localized insignificant prostate cancer who underwent radical prostatectomy. MATERIALS AND METHODS Between July 2005 and July 2008, 406 patients underwent radical prostatectomy for clinical localized prostate cancer in our hospital. Based on preoperative data, 93 of these patients f...
OBJECTIVE Histological details of positive surgical margins in radical prostatectomy specimens have been related to outcome after surgery in rare studies recently published. Our objective is to assess whether the status of surgical margins, the extent and the Gleason score of positive margins, and the extent of the extraprostatic extension are predictive of biochemical recurrence post-radical p...
INTRODUCTION Brachytherapy is an option for treating low-risk prostate cancer (PC). Biochemical control of low-risk disease can reach 95 %. The practice advocated is that a review of prostate biopsies should be mandatory before choosing the best treatment for patients with PC. Our objective was to evaluate the change in PC risk after review of a prostate biopsy by an experienced uropathologist ...
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