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Influence of Preoperative Vesicle Biopsy on the Decision for Radical Prostatectomy

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Abstract

Purpose: The presence of seminal vesicle invasion (SVI) by prostate cancer is difficult to detect clinically and is associated with poor prognosis. The aim of our study was to identify the efficacy of transrectal ultrasound-guided seminal vesicle biopsies in the detection of seminal vesicle invasion (SVI) in patients with prostate cancer.

Materials and methods: One hundred transrectal ultrasound-guided seminal vesicle biopsies were performed in 50 patients with clinically localized prostate cancer. Every patient underwent two biopsies, one for a each seminal vesicle. Radical retropubic prostatectomy was performed in all cases and the specimens with the attached seminal vesicles were examined for the presence of prostate cancer invasion.

Results: Of a total of 100 seminal vesical biopsies 87 were identified as seminal vesicle by characteristic epithelium. Cancer was found in 7 (8%) biopsies, confirmed in all cases by pathology in the surgical specimen. Eighty biopsies (40 patients) were normal. Pathological analysis of these 40 radical prostatectomy specimens revealed that 6 seminal vesicles (5 patients) were invaded by prostate cancer (6 false negative biopsies, 7.5%). Transrectal ultrasound images of 15 seminal vesicles were suspicious for invasion while 85 were normal. Of the 15 suspicious cases 11 were invaded by cancer (73.3%). Of the sonographically benign seminal vesicles 5 (5.88%) were invaded by cancer. Our data were analyzed by the ARCUS PRO-STAT statistical package.

Conclusions: We suggest that transrectal ultrasound-guided seminal vesicle biopsy is useful and reliable for a more exact preoperative staging of prostate cancer, therefore helpful in correct decision making for radical prostatectomy.

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Authors and Affiliations

  1. Department of Urology, University of Athens, Sismanoglio Hospital, Greece

    Ch. Deliveliotis, J. Varkarakis, N. Trakas, G. Louras, S. Giannakopoulos, A. Skolarikos & E. Alargof

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  1. Ch. Deliveliotis
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  2. J. Varkarakis
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  3. N. Trakas
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  4. G. Louras
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  5. S. Giannakopoulos
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  6. A. Skolarikos
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  7. E. Alargof
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Deliveliotis, C., Varkarakis, J., Trakas, N. et al. Influence of Preoperative Vesicle Biopsy on the Decision for Radical Prostatectomy. Int Urol Nephrol 31, 83–87 (1999). https://doi.org/10.1023/A:1007128008153

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