Evaluating the geometric and dosimetric impact of applying anisotropic CTV to PTV margins in image-guided post-prostatectomy radiation therapy.

Emma Grierson,Dean Wilkinson,Lauren Causer,Jeremiah de Leon

Journal of medical imaging and radiation oncology（2023）

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摘要

Supplementing the incidence of geographic miss with dosimetric information on target coverage and OAR doses provides more informed assessment of the appropriateness of different CTV expansion margins. Our study extends the evaluation of anisotropic margins for PPRT.

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关键词

anisotropic margins, cone-beam computed tomography, geographic miss, post-prostatectomy radiation therapy, prostate cancer

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