2007
DOI: 10.1016/j.urolonc.2006.08.028
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Increasing the number of biopsies increases the concordance of Gleason scores of needle biopsies and prostatectomy specimens

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Cited by 71 publications
(45 citation statements)
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“…17,21 Although the appropriate number of cores that should be obtained during a prostate biopsy has not clarified, most studies contend that 10 or more biopsy cores increase the likelihood of correct GS prediction. 19,[22][23][24] However, this was not the case in our study. No association was found between the number of cores and tumour grade prediction.…”
contrasting
confidence: 76%
“…17,21 Although the appropriate number of cores that should be obtained during a prostate biopsy has not clarified, most studies contend that 10 or more biopsy cores increase the likelihood of correct GS prediction. 19,[22][23][24] However, this was not the case in our study. No association was found between the number of cores and tumour grade prediction.…”
contrasting
confidence: 76%
“…Using only the PSA criteria, approximately one-third of these single positive core tumors cease to be indolent, and this fact most likely helps explain why we found that 69% of our patients had a stage ≥ pT2c. In his investigation, Brawer concluded that the positive yield of systematic sector biopsies decreases significantly when the prostate volume is greater than 55.6 cc (20); Karakiewicz came to a similar conclusion (21).…”
Section: Discussionmentioning
confidence: 96%
“…In the PSA-screening era, in which most men are diagnosed with low PSA and low stage disease, the biopsy Gleason score is a critical factor in risk assessment; therefore, over-grading may lead to over-treatment [5]. Unfortunately, the agreement between biopsy and prostatectomy Gleason score is only modest [6]. This is likely caused by within-patient grade heterogeneity and/or sampling error [7].…”
Section: Introductionmentioning
confidence: 99%