Prostate cancer prognosis

There is a discrepancy in the Gleason score given on the initial biopsy and prostatectomy specimen, respectively, that affects both patients who can benefit from active surveillance and those who cannot benefit from curative surgical treatment, and for whom therapeutic alternatives must be established.

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In this context, our study aimed at analyzing the diagnostic concordance between biopsies and subsequent prostatectomies, in order to establish the accuracy of prostate biopsy in predicting final Gleason score of the prostatectomy specimens.

Material and methods: We analyzed 79 cases of PADK, initially diagnosed by prostate biopsy and subsequently treated by radical prostatectomy. The accuracy degree of the tumoral grading system assigned to the prostate biopsy, compared with the radical prostatectomy, was assessed by calculation of the Cohen's kappa concordance coefficient and calculation of sensitivity, specificity, positive prognostic value and negative prognostic value.

Results: 37 cases In prostate biopsies, 32 cases The lowest cum să vindeci prostatita de foame rate was observed for Gleason score 5, where no case showed a similar score for biopsy and prostatectomy.

Statistical analysis indicated a kappa coefficient of 0. The agreement on ISUP prognostic grade groups between prostate biopsy and radical prostatectomy indicated a slight prostate cancer prognosis in kappa coefficient Conclusions: Our results demonstrate an increase in the predictive accuracy of prostate biopsy, as a result of the application of prognostic grade group system, which ensure the decrease of overestimating tendency of the old scoring system, ultimately leading to a preliminary characterization of potential lesions in prostatectomy specimens and a more effective treatment stratification of patients.

Author Biographies A. Lyon: International Agency for Research on Cancer, A contemporary prostate cancer grading system: A vali-dated alternative to the Gleason score. Eur Urol ; 69 3 : Gleason DF. Classification of prostatic carcinomas.

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Preoperative prediction of Gleason grade in radical prostatectomy specimens: the influence of different Gleason grades from multiple positive biopsy sites. Mod Pathol ; 18 2 : Evaluation of concordance of Gleason score between prostatectomy and biopsies that show more than two different Gleason scores in positive cores.

Aykan a studiat chirurgia robotică în Franța și chirurgia oncologică urologică în SUA. Serdar Aykan, M. Surgery with prostate treatment is called radical prostatectomy. It is cancer of all radical prostate tissues.

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