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[Locally recurrent prostatic adenocarcinoma after exclusive radiotherapy: results of high intensity focused ultrasound]

Abstract : OBJECTIVES: To determine the efficacy and adverse effects of high intensity focused ultrasound (HIFU) for the treatment of local recurrence of prostate cancer after exclusive external beam radiotherapy. MATERIAL AND METHODS: Seventy-two patients with histologically and biologically documented local recurrence after radiotherapy were treated by HIFU. The mean age was 68.27+/-5.93 years, and mean PSA was 6.64+/-7.26ng/ml. Thirty patients were treated according to standard parameters and 42 according to specific parameters. ASTRO 2005 criteria, specific for salvage therapy (Phoenix consensus), were used to define recurrence. Progression-free survival was calculated by the Kaplan-Meier method. RESULTS: Mean follow-up was 39+/-28 months. The negative biopsy rate was 80% and the median nadir PSA was 0.10ng/ml. Specific survival was 94% at three years and 90% at five years, and progression-free survival was 50% at three years and 44% at five years. The urinary incontinence rate was 44% (grade 1 : 12%, grade 2/3 : 32%) and the urethral stricture or bladder neck stenosis rate was 30%. The use of specific parameters reduced the incidence of severe incontinence (19% versus 50, P=0.005) and stenosis (24% versus 40). CONCLUSIONS: Treatment with HIFU achieved a five-year progression-free survival of 44%, but patients must be clearly informed about the high rate of adverse effects.
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https://hal.archives-ouvertes.fr/hal-00395713
Contributor : Isabelle Besançon Connect in order to contact the contributor
Submitted on : Tuesday, June 16, 2009 - 12:03:29 PM
Last modification on : Tuesday, July 20, 2021 - 5:20:06 PM

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L. Poissonnier, F.-J. Murat, A. Belot, R. Bouvier, Muriel Rabilloud, et al.. [Locally recurrent prostatic adenocarcinoma after exclusive radiotherapy: results of high intensity focused ultrasound]. Progrès en Urologie, Elsevier Masson, 2008, 18 (4), pp.223-9. ⟨10.1016/j.purol.2008.02.006⟩. ⟨hal-00395713⟩

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