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Actas Urológicas Españolas

Print version ISSN 0210-4806


BAHILO MATEU, M.P. et al. Clinical features and histopathology of prostate cancer diagnosed from the third biopsy. Actas Urol Esp [online]. 2008, vol.32, n.10, pp.961-967. ISSN 0210-4806.

Objective: To study of histological and clinical features of prostate cancer diagnosed after three or more prostate biopsies in order to assess its clinical relevance and to discard the overdiagnosis of prostate cancer. Material and methods: We reviewed the clinical records of 61 patients who underwent three or more prostate biopsies between January 2000 and December 2006. The analyzed variables were: age, PSA level, free/total PSA ratio, PSA density, digital rectal examination, prostate volume, sonographic findings and previous malignant lesion strongly associated to the presence of tumor on previous biopsy. We studied the pathology of the tumors diagnosed from the third biopsy, therapeutical approach and its evolution with a minimum follow-up of 3 months. Results: Fifteen out of 61 patients with more than three biopsies had prostate cancer (24,59%) in the third biopsy, 5 out of 14 patients with 4 biopsies (35,71%) and 1 of the 2 cases (50%) who underwent a fifth biopsy. According to the results of biopsy, 6 patients met the criteria of clinically insignificant cancer (28,57%). Curative treatment was performed in all patients: brachytherapy in 5, external beam radiotherapy in 6 and radical prostatectomy in 10. Clinically significant tumors were found in all cases: 2 pT2b tumors and 7 pT2c tumors with negative surgical margins and with an excellent control of the cancer after a minimum follow up of 13 months, and one pT4 tumor with bladder neck infiltration. Conclusion: In our practice, overall detection rate of the third, fourth and fifth biopsy is 34,42% corresponding with tumors that could benefit from curative treatment.

Keywords : Repeated prostate biopsy; Prostate cancer.

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