Abstract
Purpose
To assess whether the PSA level (threshold 4 ng/mL) is a prognostic factor in biochemical recurrence-free survival in men with prostate cancer (PCa) with an initial PSA level <10 ng/mL who underwent robotic-assisted laparoscopic radical prostatectomy (RARLP).
Methods
We prospectively recruited data for consecutive patients treated by RARLP for PCa with an initial PSA level below 10 ng/mL between 2003 and 2011 at our institution. We divided the population into two groups: patients with a PSA level below 4 ng/mL (G1; n = 53) and patients with a PSA level between 4 and 10 ng/mL (G2; n = 371). Biochemical recurrence was defined as a single increase in PSA greater than 0.2 ng/mL after surgery. Multivariate analysis was used to assess prognostic factors of recurrence-free survival.
Results
Overall, 424 patients were included, and the median age was 62 (58–67) years. The median PSA was 5.8 ng/mL (4.8–7.7 ng/mL). Overall, 6 patients from G1 and 34 patients from G2 experienced a biochemical recurrence. Overall, the 5-year recurrence-free survival rate was 86.6 %. The PSA level at diagnosis (under or over 4 ng/mL) was not significantly linked to recurrence-free survival (HR = 0.59, p = 0.25). However, positive margins and a Gleason score >7 on the specimen were significantly linked to recurrence-free survival with respective hazard ratios of 4.30 (p < 0.0001) and 6.18 (p < 0.0001), respectively.
Conclusion
A PSA level <4 ng/mL alone appears to be obsolete as a cut-off to define a population of men likely to have indolent disease.
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Dariane, C., Le Cossec, C., Drouin, S.J. et al. Comparison of oncologic outcomes after radical prostatectomy in men diagnosed with prostate cancer with PSA levels below and above 4 ng/mL. World J Urol 32, 481–487 (2014). https://doi.org/10.1007/s00345-013-1089-0
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DOI: https://doi.org/10.1007/s00345-013-1089-0