ESTRO Brachytherapy for Prostate Cancer 2018

mpMR imaging after EBRT

- Dominant role of the functional sequences of mpMRI

- on DWI: signal characteristics are similar to normal setting with a focal hypointensity on the ADC map and hyperintensity on high-b value imaging - on DCE: although the vascularity of the overall irradiated prostate decreases with gland atrophy, the recurrences : - retain their highly vascular network - Show the early hyper-enhancement on DCE relative to the treated prostate.