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Predictive Factors for Extracapsular Extension of Prostate Cancer to Select the Candidates for Nerve-sparing Radical Prostatectomy

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Abstract

Nerve-sparing radical prostatectomy (NSRP) for prostate cancer (PC) enables better postoperative recovery of continence and potency but may increase the risk of positive surgical margins. This study aimed to investigate preoperative predictive factors for extracapsular extension (ECE) of PC to select patients for NSRP. We retrospectively evaluated 288 patients with PC (576 lobes) diagnosed with 12-core transrectal ultrasound-guided biopsy and magnetic resonance imaging (MRI) who underwent laparoscopic or robot-assisted radical prostatectomy at our institution. Surgical specimens and preoperative parameters (prostate-specific antigen, prostate volume, biopsy and MRI findings, preoperative therapy) were analyzed. Of 576 prostate lobes, the incidence Ipsilateral ECE was identified in 97 (16.8%) lobes. The higher number of unilateral positive biopsy cores, the highest Gleason score 8 or more and positive unilateral findings on MRI are significant higher in prostate sides with ECE in univariate analysis. In multivariate analysis, positive unilateral MRI findings (odds ratio [OR], 2.86; p < 0.001) and unilateral biopsy positive core ≥ 3 (OR, 3.73; p < 0.001) were independent predictors of unilateral ECE. The detection rate of unilateral ECE in those cases with two factors (side-specific positive biopsy core 2 or less and side-specific MRI findings negative) was 7.1% (19/269). Patients with fewer unilateral positive biopsy cores and negative unilateral MRI findings might be good candidates for NSRP.

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Authors and Affiliations

  1. Department Urology, Ise Red Cross Hospital, 471-2 Hunae, Ise, Mie, 516-8512, Japan

    Sho Sekito, Takehisa Onishi, Takashi Okamoto, Takashi Terabe, Shinya Kajiwara & Takuji Shibahara

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  1. Sho Sekito
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  2. Takehisa Onishi
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  3. Takashi Okamoto
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  4. Takashi Terabe
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  5. Shinya Kajiwara
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  6. Takuji Shibahara
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Correspondence to Sho Sekito.

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Sekito, S., Onishi, T., Okamoto, T. et al. Predictive Factors for Extracapsular Extension of Prostate Cancer to Select the Candidates for Nerve-sparing Radical Prostatectomy. Indian J Surg Oncol 15, 213–217 (2024). https://doi.org/10.1007/s13193-024-01913-1

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  • DOI: https://doi.org/10.1007/s13193-024-01913-1

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