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Archivos Españoles de Urología (Ed. impresa)

versión impresa ISSN 0004-0614

Resumen

ARRABAL-POLO, Miguel Ángel et al. Relationship between biopsy Gleason score and radical prostatectomy specimen Gleason score in patients undergoing sextant vs 12 core biopsies. Arch. Esp. Urol. [online]. 2010, vol.63, n.9, pp.791-796. ISSN 0004-0614.

Objectives: Our goal is to analyze the degree of concordance between the Gleason score (GS) obtained in prostate biopsies and the one after radical prostatectomy. The intention is to know whether 12-core biopsy, instead of 6 (sextant biopsy), improves, or not, this correlation. Methods: A Cohort/prevalence study was conducted on 128 patients who underwent prostate biopsy and subsequent radical prostatectomy. Patients showing biopsy Gleason values greater or equal to 6 were selected as candidates for radical prostatectomy. Results: Mean age of the group of 128 patients was 62.9 years, with a mean PSA value of 8.53ng/ml. There was concordance between biopsy Gleason score and that obtained after radical prostatectomy in 63.28% of cases, while discordance was found in 36.72% of cases. There were not significant statistical differences after comparing results obtained between Gleason score concordance after 6 or 12-core biopsies and that obtained after radical prostatectomy. Conclusions: We have noticed a low correlation between Gleason score after biopsy when it was com-pared with that obtained after radical prostatectomy, while these results are similar to those found in the literature. We did not find better results regarding Gleason score correlation after biopsies performed with 12 cores instead of 6.

Palabras clave : Prostate Cancer; Gleason Score; Prostate biopsy; Sextant biopsy; 12-core.

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