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Actas Urológicas Españolas

versión impresa ISSN 0210-4806

Resumen

PASCUAL MATEO, C. et al. Clinical significance of prostatic intraepithelial neoplasm and atypical small acinar proliferation: relationship with prostate cancer. Actas Urol Esp [online]. 2008, vol.32, n.7, pp.680-685. ISSN 0210-4806.

Introduction: Prostatic intraepithelial neoplasia (PIN) and atypical small acinar proliferation (ASAP) in the setting of prostatic needle biopsies are considered premalignant although questions still remain. Objetives: In this paper, we have studied the clinical relevance of these histologic findings. Material and methods: We collected 138 subjects (108 PIN, 30 ASAP); in 67% we performed a second biopsy and the rate of cancer in this late biopsy were 19% and 27% respectively. We cannot identify any clinical factor to predict the finding of cancer in the re-biopsy (PSA, age, digital rectal examination, prostatic volume). Results: In the follow-up, we observed higher rates of cancer for the ASAP; the finding of ASAP was the single clinical or histopathological factor that was an independent predictor of cancer. Conclusions: We observed that the finding of ASAP was an indication for re-biopsy because of the higher rates of cancer; on the contrary, the paper of PIN in the prostatic needle biopsy still requires further investigation.

Palabras clave : Prostate cancer; Prostatic intraepithelial neoplasm; Atypical small acinar proliferation; Prostate needle biopsies.

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