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Actas Urológicas Españolas

Print version ISSN 0210-4806


BARBAGELATA LOPEZ, A. et al. External beam radiotherapy on locally advanced prostate carcinoma following iliac staging lymphadenectomy. Actas Urol Esp [online]. 2006, vol.30, n.9, pp.856-865. ISSN 0210-4806.

Introduction and objectives: Locally advanced prostate cancer supposes a high risk condition of post-treatment progression due to the limit situation that represents. Our purpose was to analyze prognoses factors in function of progression probability after using a treatment with external source radiotherapy on patients with this kind of tumors. Material and methods: We retrospectively reviewed a set of 128 patients submitted to pelvic staging limphadenectomy prior to accomplish an external radiotherapeutic treatment. We employed the Kaplan-Meier curves to study the probability of progression, logarithmic ranks test were used for detection of possible statistically significant differences and proportional risks Cox model was employed to study possible risk factors of progression (employing astro criteria). Results: 5 years freedom probability from progression was of 49,93%; in spite of appreciating important differences in the groups stratified by the predictive variables used (total PSA, gleason of pathological biopsy, clinical stage and % of cores affection on biopsy), none of them reached statistical meaning, being the level of total PSA the closest to it. Conclusions: The external radiotherapeuthic treatment represents a valid alternative in the treatment of locally advanced prostate cancer, with a tolerable index of secondaries. It must be used combined with hormonotherapy. It seems that the use of higher radiation doses, in a safer way thanks to 3D conformed radiotherapy, allows to improve the results. The most powerful clinical predictor of evolution must be the total PSA.

Keywords : Prostate cancer; Radiotherapy; Treatment.

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