• Per Fransson.
• Department of Radiation Sciences, Oncology, Umeå University, Umeå, Sweden. Per.Fransson@onkologi.umu.se
• Acta Oncol. 2008 Jan 1; 47 (5): 852-61.

BackgroundTo prospectively examine the urinary toxicity and quality of life (QOL) in patients 15 years after external beam radiotherapy (EBRT) for localized prostate cancer (LPC) and compare the outcomes with results for age-matched controls.Material And MethodsUrinary symptoms were assessed using the symptom-specific Prostate Cancer Symptom Scale (PCSS) questionnaire, and QOL was assessed with the European Organization for Research and Treatment of Cancer (EORTC)'s Quality of Life Questionnaire (QLQ-C30). Both questionnaires were sent to the surviving 41 patients(25%) and the PCSS questionnaire was sent to 69 age-matched controls for comparison.ResultsThe response rate was 71% in the patient group and 59% in the control group. Two patients and four controls were excluded due to other cancer diagnoses, resulting in a total of 27 patients and 37 controls for inclusion in the analyses. The mean age in both groups was 78 years. In the patient group, incontinence had increased between the 8-year (mean 0.6) and the 15-year follow-up (mean 2.1; p0.038). No other differences in urinary problems were seen between these two follow-ups. Increased incontinence, stress incontinence, and pain while urinating were reported by the patients in comparison with the controls at 15 years. Role function was worse in the patient group (mean 67.3) compared with the controls (mean 82.4; p0.046). The patients also reported more appetite loss, diarrhea, nausea/vomiting, and pain than the controls.ConclusionEBRT for LPC has divergent effects on urinary symptoms and QOL in comparison with age-matched controls. In our patient population, urinary incontinence increased between 8 and 15 years of follow-up. Otherwise, no differences in urinary symptoms were seen between 4 and 15 years. Incontinence, stress incontinence, and pain while urinating were increased after EBRT in comparison with the controls. Conventional EBRT did not result in a major deterioration in QOL 15 years after treatment.

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