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Adaptive Salvage Radiation Therapy for Stage IIIB Prostate Adenocarcinoma Status Post-prostatectomy
Mannat Bedi1, Steven Miller1, Jay Burmeister1
1Department of Oncology, Wayne State University School of Medicine, Detroit, USA.
Cureus
|September 27, 2024
Summary
Adaptive radiation therapy (ART) improves prostate cancer treatment by adjusting radiation plans daily. This enables higher quality radiotherapy for patients post-prostatectomy, accommodating anatomical changes.
Area of Science:
- Radiation Oncology
- Medical Physics
- Cancer Treatment
Background:
- Prostate and surgical bed mobility due to bladder/rectum size changes complicates radiotherapy planning.
- Delivering consistent radiation doses across fractions is challenging with mobile anatomy.
Observation:
- A 72-year-old male with recurrent prostate cancer post-prostatectomy was treated using an online adaptive radiation therapy (ART) workflow.
- The Ethos ART system facilitated efficient plan adaptation based on daily anatomical imaging.
Findings:
- Online ART provided flexibility to select between scheduled and adapted plans daily.
- This adaptability improved the quality of radiotherapy plans for post-prostatectomy prostate cancer.
Implications:
- Adaptive radiation therapy offers a superior approach for managing anatomical variations in prostate cancer treatment.
- Daily plan adjustments enhance treatment precision and potentially improve patient outcomes.
Keywords:
adaptive radiation therapyexternal beam radiationprostate-specific antigen (psa)psa elevation post-radical prostatectomyserum psa level
