HEALTH PROFESSIONAL · SOURCE READING
Comparison of complications from radiation therapy and from radical prostatectomy
Source: Prostate Cancer Treatment (PDQ®)–Health Professional Version, National Cancer Institute.
Source updated: May 14, 2025 · Captured 2026-09-09.
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Context: Treatment Option Overview for Prostate Cancer / Radiation Therapy and Radiopharmaceutical Therapy
In general, radical prostatectomy is associated with a higher rate of urinary incontinence and early sexual impotence but a lower rate of stool incontinence and rectal injury. However, over time, the differences in sexual impotence diminish because the risk rises with time since radiation. Many side effects of definitive local therapy for prostate cancer persist well beyond a decade after therapy, and urinary problems in addition to sexual impotence may worsen with age.[97]
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Evidence (complications of radical prostatectomy vs. radiation therapy):
A population-based survey of Medicare recipients who had received radiation therapy as primary treatment for prostate cancer (similar in design to the survey of Medicare patients who underwent radical prostatectomy,[44] described above) has been reported, showing substantial differences in posttreatment morbidity profiles between surgery and radiation therapy.[98]
A population-based survey of Medicare recipients who had received radiation therapy as primary treatment for prostate cancer (similar in design to the survey of Medicare patients who underwent radical prostatectomy,[44] described above) has been reported, showing substantial differences in posttreatment morbidity profiles between surgery and radiation therapy.[98]
Although the men who had undergone radiation therapy were older at the time of initial therapy, they were less likely to report the need for pads or clamps to control urinary wetness (7% vs. >30%).
A population-based survey of Medicare recipients who had received radiation therapy as primary treatment for prostate cancer (similar in design to the survey of Medicare patients who underwent radical prostatectomy,[44] described above) has been reported, showing substantial differences in posttreatment morbidity profiles between surgery and radiation therapy.[98]
A larger proportion of patients treated with radiation therapy before surgery reported the ability to have an erection sufficient for intercourse in the month before the survey (men <70 years, 33% who received radiation therapy vs. 11% who underwent surgery alone; men ≥70 years, 27% who received radiation therapy vs. 12% who underwent surgery alone).
A population-based survey of Medicare recipients who had received radiation therapy as primary treatment for prostate cancer (similar in design to the survey of Medicare patients who underwent radical prostatectomy,[44] described above) has been reported, showing substantial differences in posttreatment morbidity profiles between surgery and radiation therapy.[98]
Men receiving radiation therapy, however, were more likely to report problems with bowel function, especially frequent bowel movements (10% vs. 3%).
A population-based survey of Medicare recipients who had received radiation therapy as primary treatment for prostate cancer (similar in design to the survey of Medicare patients who underwent radical prostatectomy,[44] described above) has been reported, showing substantial differences in posttreatment morbidity profiles between surgery and radiation therapy.[98]
As in the results of the surgical patient survey, about 24% of patients who received radiation reported additional subsequent treatment for known or suspected cancer persistence or recurrence within 3 years of primary therapy.
A prospective, community-based cohort study of men aged 55 to 74 years treated with radical prostatectomy (n = 1,156) or EBRT (n = 435) attempted to compare the acute and chronic complications of the two treatment strategies after adjusting for baseline differences in patient characteristics and underlying health.[99]
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A prospective, community-based cohort study of men aged 55 to 74 years treated with radical prostatectomy (n = 1,156) or EBRT (n = 435) attempted to compare the acute and chronic complications of the two treatment strategies after adjusting for baseline differences in patient characteristics and underlying health.[99]
Regarding acute treatment-related morbidity, radical prostatectomy was associated with higher rates of cardiopulmonary complications (5.5% vs. 1.9%) and the need for treatment of urinary strictures (17.4% vs. 7.2%). Radiation therapy was associated with more acute rectal proctitis (18.7% vs. 1.6%).
A prospective, community-based cohort study of men aged 55 to 74 years treated with radical prostatectomy (n = 1,156) or EBRT (n = 435) attempted to compare the acute and chronic complications of the two treatment strategies after adjusting for baseline differences in patient characteristics and underlying health.[99]
With regard to chronic treatment-related morbidity, radical prostatectomy was associated with more urinary incontinence (9.6% vs. 3.5%) and impotence (80% vs. 62%). Radiation therapy was associated with slightly greater declines in bowel function.
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