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Concordance Between Biopsy and Radical Prostatectomy Pathology in the Era of Targeted Biopsy: A Systematic Review and Meta-analysis. | LitMetric

AI Article Synopsis

  • Multiparametric magnetic resonance imaging (mpMRI)-targeted transrectal prostate biopsy (TBx) may offer improved accuracy in predicting prostate pathology compared to systematic transrectal prostate biopsy (SBx).
  • A review of 10 studies involving 1,215 men revealed that SBx had a significantly higher likelihood of pathologic upgrading at radical prostatectomy compared to TBx.
  • The findings indicate that while mpMRI-targeted TBx reduces the chance of upgrading, it does not increase the risk of downgrading pathologic results at the time of surgery.

Article Abstract

Context: Multiparametric magnetic resonance imaging (mpMRI)-targeted transrectal prostate biopsy (TBx) may better predict pathology at radical prostatectomy than systematic transrectal prostate biopsy (SBx).

Objective: To assess concordance between biopsy and radical prostatectomy pathology in men undergoing a TBx as compared with those undergoing an SBx.

Evidence Acquisition: Four electronic databases (Ovid MEDLINE, Ovid EMBASE, the Cochrane Library [Wiley], and EBSCHOHost) were searched from inception until July 2018. Studies were included if they were published after 2012, conducted both SBx and TBx, and compared the biopsy results with final pathology after radical prostatectomy for ≥50 patients. Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) guidelines were utilized. Bias was appraised using the Quality Assessment of Diagnostic Accuracy Studies-2 (QUADAS-2) tool.

Evidence Synthesis: Our search yielded 10 studies including 1215 men. However, our inclusion criteria applied only to a proportion of men included in these studies. The median age was 65 yr and the median prostate-specific antigen level was 7.2 ng/ml. In the eight studies examining upgrading at prostatectomy, pathology from SBx was significantly more likely to be upgraded relative to TBx (odds ratio [OR] 2.47, 95% confidence interval [CI] 1.48-4.14, p =  0.001). We found no significant difference in downgrading (OR 1.13, 95% CI 0.48-2.67, p =  0.783) between TBx and SBx. For both biopsy-naïve men and men with a prior negative biopsy, results from SBx were more likely to be upgraded than TBx at prostatectomy (OR 1.6 [95% CI 1.02-2.27, p <  0.001] and OR 4.23 [95% CI 1.68-8.48, p =  0.003], respectively).

Conclusions: Pathologic upgrading at prostatectomy was less likely with mpMRI-targeted biopsy versus systematic biopsy alone, without concurrent increase in downgrading. This increased accuracy should improve confidence in management decisions based on MRI-targeted biopsy pathology.

Patient Summary: We reviewed the ability of multiparametric magnetic resonance imaging -targeted biopsy to predict cancer grade at radical prostatectomy. We found that targeted biopsy provides more accurate assessment of Gleason score at prostatectomy than systematic biopsy.

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Source
http://dx.doi.org/10.1016/j.euo.2019.08.001DOI Listing

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