Comparative evaluation of urinary PCA3 and TMPRSS2: ERG scores and serum PHI in predicting prostate cancer aggressiveness.

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Tallon, Lucile | Luangphakdy, Devillier | Ruffion, Alain | Colombel, Marc | Devonec, Marian | Champetier, Denis | Paparel, Philippe | Decaussin-Petrucci, Myriam | Perrin, Paul | Vlaeminck-Guillem, Virginie

Edité par CCSD ; MDPI -

International audience. It has been suggested that urinary PCA3 and TMPRSS2: ERG fusion tests and serum PHI correlate to cancer aggressiveness-related pathological criteria at prostatectomy. To evaluate and compare their ability in predicting prostate cancer aggressiveness, PHI and urinary PCA3 and TMPRSS2: ERG (T2) scores were assessed in 154 patients who underwent radical prostatectomy for biopsy-proven prostate cancer. Univariate and multivariate analyses using logistic regression and decision curve analyses were performed. All three markers were predictors of a tumor volume >= 0.5 mL. Only PHI predicted Gleason score >= 7. T2 score and PHI were both independent predictors of extracapsular extension (>= pT3), while multifocality was only predicted by PCA3 score. Moreover, when compared to a base model (age, digital rectal examination, serum PSA, and Gleason sum at biopsy), the addition of both PCA3 score and PHI to the base model induced a significant increase (+12%) when predicting tumor volume >0.5 mL. PHI and urinary PCA3 and T2 scores can be considered as complementary predictors of cancer aggressiveness at prostatectomy.

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