Young men with prostate cancer treated with brachytherapy have a significantly higher frequency, earlier onset and longer duration of PSA bounce than older men.
With this irradiation program cancer control, defined using the recurrence definition for radical prostatectomy, was durable with no further recurrence between 15.5 and 25 years of followup. This study also suggests that at least 15 years of followup are necessary to fully evaluate any prostate cancer treatment. Furthermore, if prostate specific antigen is less than 0.20 ng/ml 15 years after treatment, later recurrence should be unlikely.
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