Abstract:Erectile dysfunction is a significant long-term toxicity of prostatic radiation. Our institution has previously reported on the dosimetric feasibility of MRI-guided neurovascular bundle (NVB) sparing during definitive prostate radiotherapy (RT), a structure that is spared during prostatectomy but not traditionally spared during RT. The purpose of this study is to determine the reproducibility and reliability of contouring the NVB on MRI. Materials/Methods: One hundred twenty total data points on ten consecutiv… Show more
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