ArticleInternational journal of clinical oncology2022
Intensity-modulated radiation therapy for prostate cancer after rectal surgery: a single hospital long-term safety analysis.
Article in International journal of clinical oncology, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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Who cites it
2 citing papers in PubMed, 2 citations in OpenAlex.
- Safety of carbon-ion radiotherapy for prostate cancer after rectal surgery: a single-institution retrospective study.Journal of radiation research · 2026Article
- Article
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Authors and funding
5 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundRadiotherapy is a treatment option for prostate cancer patients after rectal surgery; however, the toxicity profile of radiotherapy for such patients has not been elucidated. This study aimed to evaluate the long-term toxicities and efficacy of intensity-modulated radiotherapy (IMRT) in patients with prostate cancer who had undergone rectal surgery.
methodsWe retrospectively analyzed patients with prostate cancer after rectal surgery, who were definitively treated with IMRT between January 2000 and December 2019 at our institution. The planned total dose was 70-78 Gy in 2-Gy fraction, and the dose to the rectal anastomosis was limited to 70 Gy. The acute and late toxicities and survival outcomes were evaluated.
resultsTwenty patients were included in the analysis. The median age was 71 years, with a median follow-up of 86 months. The median time from surgery to IMRT was 93.5 months. The median prostate-specific antigen value was 13.17 ng/ml. The median total dose was 74 Gy, and the median maximum dose to rectal anastomosis was 66.97 Gy. The 8-year biochemical recurrence-free and overall survival rates were 70.2% and 90.0%, respectively. The incidence rates of grade 2 acute genitourinary and gastrointestinal toxicities were 14.3% and 0%, respectively. No grade ≥ 3 acute or late toxicities were observed when the rectal anastomosis dose was limited to 70 Gy.
conclusionsThis retrospective analysis suggested that IMRT for patients with prostate cancer after rectal surgery may be safe and effective with rectal dose constraint of D
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