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Open AccessJournal ArticleDOI

Upgrading and Downgrading of Prostate Cancer from Biopsy to Radical Prostatectomy: Incidence and Predictive Factors Using the Modified Gleason Grading System and Factoring in Tertiary Grades

TLDR
Despite factoring in multiple variables including the number of positive cores and the maximum percentage of cancer per core, the concordance indexes were not sufficiently high to justify the use of nomograms for predicting upgrading and downgrading for the individual patient.
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This article is published in European Urology.The article was published on 2012-05-01 and is currently open access. It has received 564 citations till now. The article focuses on the topics: Gleason grading system & Biopsy.

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Citations
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The 2014 International Society of Urological Pathology (ISUP) Consensus Conference on Gleason Grading of Prostatic Carcinoma: Definition of Grading Patterns and Proposal for a New Grading System.

TL;DR: The basis for a new grading system was proposed in 2013 by one of the authors and accepted by the World Health Organization for the 2016 edition of Pathology and Genetics: Tumours of the Urinary System and Male Genital Organs.
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A Contemporary Prostate Cancer Grading System: A Validated Alternative to the Gleason Score.

TL;DR: Looking at outcomes for prostate cancer treated with radical prostatectomy or radiation therapy and validated a new grading system with more accurate grade stratification than current systems, including a simplified grading system of five grades and the lowest grade is 1, as opposed to 6, with the potential to reduce overtreatment of PCa.
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MRI-Targeted, Systematic, and Combined Biopsy for Prostate Cancer Diagnosis

TL;DR: Among patients with MRI-visible lesions, combined biopsy led to more detection of all prostate cancers, however, MRI-targeted biopsy alone underestimated the histologic grade of some tumors.
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Prostate MRI, with or without MRI‐targeted biopsy, and systematic biopsy for detecting prostate cancer

TL;DR: The diagnostic accuracy of the index tests MRI only, MRI-targeted biopsy, the MRI pathway and systematic biopsy as compared to template-guidedBiopsy as the reference standard in detecting clinically significant prostate cancer as the target condition was determined.
References
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Journal ArticleDOI

Biopsy core number represents one of foremost predictors of clinically significant gleason sum upgrading in patients with low-risk prostate cancer.

TL;DR: The number of biopsy cores taken represents one of the foremost predictors of GSU and should be taken into consideration during clinical decision-making in patients who are candidates for watchful waiting, active surveillance, or brachytherapy.
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A Contemporary Study Correlating Prostate Needle Biopsy and Radical Prostatectomy Gleason Score

TL;DR: The last decade has seen the near elimination of once prevalent under grading of needle biopsy, as evidenced by variable over grading and under grading, as well as poor correlation with pathological stage.
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Prostate biopsy clinical and pathological variables that predict significant grading changes in patients with intermediate and high grade prostate cancer.

TL;DR: To identify the clinical and pathological variables that predict pathological changes in the significant proportion of men with prostate cancer who have an intermediate‐ or high‐grade biopsy Gleason score of ≥7 and who are upgraded or downgraded on interpretation of radical prostatectomy pathological specimens, as GS is critical in treatment decisions.
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