Vincent Misraï1, Marie Pasquie2, Benoit Bordier2, Julien Guillotreau2, Alexandre Gryn2, Julien Palasse3, Eric Bruguière4, Benjamin Pradere5, Morgan Rouprêt6, Kevin C Zorn7. 1. Department of Urology, Clinique Pasteur, 31300, Toulouse, France. v.misrai@clinique-pasteur.com. 2. Department of Urology, Clinique Pasteur, 31300, Toulouse, France. 3. Department of Pathology, S.O. Path, Toulouse, France. 4. Department of Radiology, Clinique Pasteur, Toulouse, France. 5. Department of Urology, University of Tours, Tours, France. 6. Urology Department, Hôpital Pitié-Salpêtrière, Sorbonne Université, GRC N°5, ONCOTYPE-URO, AP-HP, 75013, Paris, France. 7. Brunswick Science and Technology, Montreal, QC, Canada.
Abstract
OBJECTIVE: To analyse the accuracy of high preoperative PSA levels for predicting transitional zone incidental PCa (TZ-PCa) in men with very large prostates. MATERIALS AND METHODS: Perioperative data from 375 consecutive patients who underwent endoscopic enucleation of the prostate (EEP) for benign prostatic obstruction between July 2013 and December 2018 were retrospectively reviewed. Patients were stratified into three groups according to the preoperative PSA level: low-PSA (< 4 ng/mL), intermediate-PSA (4 ≤ PSA < 10 ng/mL) and high-PSA (≥ 10 ng/mL). Men in each group were propensity score matched by age, 5α-reductase inhibitor (5-ARI) use, prostate volume and mpMRI. The TZ-PCa incidence rate was retrospectively compared by preoperative PSA level in a propensity score model including all predetermined variables. RESULTS: Age, prostate volume, 5-ARI use were similar between patient groups. The median PSA levels in the low-, intermediate- and high-PSA groups were 3 [2.3; 3.4], 6.6 [5.3; 8.1] and 12.7 [11; 16.7] ng/mL, respectively. The median prostate volume was > 100 grams in all groups (108, 105 and 120 cc, respectively). The T1a-Gleason 6 incidental TZ-PCa rate was statistically comparable between the three groups (3.4, 5.1 and 8.6% in the low-, intermediate- and high-PSA groups, respectively). The detection rate of clinically significant TZ-PCa was low for preoperative PSA levels > 4 ng/mL (1.7%); with no difference between the intermediate- and high-PSA groups. CONCLUSION: In men with large glands, the clinically significant incidental TZ-PCa detection rate was similar regardless of the preoperative PSA level stratum. Such details may help with patient counselling during BPH surgical management.
OBJECTIVE: To analyse the accuracy of high preoperative PSA levels for predicting transitional zone incidental PCa (TZ-PCa) in men with very large prostates. MATERIALS AND METHODS: Perioperative data from 375 consecutive patients who underwent endoscopic enucleation of the prostate (EEP) for benign prostatic obstruction between July 2013 and December 2018 were retrospectively reviewed. Patients were stratified into three groups according to the preoperative PSA level: low-PSA (< 4 ng/mL), intermediate-PSA (4 ≤ PSA < 10 ng/mL) and high-PSA (≥ 10 ng/mL). Men in each group were propensity score matched by age, 5α-reductase inhibitor (5-ARI) use, prostate volume and mpMRI. The TZ-PCa incidence rate was retrospectively compared by preoperative PSA level in a propensity score model including all predetermined variables. RESULTS: Age, prostate volume, 5-ARI use were similar between patient groups. The median PSA levels in the low-, intermediate- and high-PSA groups were 3 [2.3; 3.4], 6.6 [5.3; 8.1] and 12.7 [11; 16.7] ng/mL, respectively. The median prostate volume was > 100 grams in all groups (108, 105 and 120 cc, respectively). The T1a-Gleason 6 incidental TZ-PCa rate was statistically comparable between the three groups (3.4, 5.1 and 8.6% in the low-, intermediate- and high-PSA groups, respectively). The detection rate of clinically significant TZ-PCa was low for preoperative PSA levels > 4 ng/mL (1.7%); with no difference between the intermediate- and high-PSA groups. CONCLUSION: In men with large glands, the clinically significant incidental TZ-PCa detection rate was similar regardless of the preoperative PSA level stratum. Such details may help with patient counselling during BPH surgical management.
Entities:
Keywords:
Benign prostatic obstruction; PSA; Prostate; Prostate cancer
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