ESTRO Brachytherapy for Prostate Cancer 2018

Where is the underdosage?

”Significant underdosage of the ASQ relative to other regions of the prostate was not predictive of relapse”

Quadrant dosimetry as a predictor of relapse in I 125 prostate brachytherapy Spadinger et al. ABS 2009 ; OR47

In contrast, a significant underdose at the apex ( f.ex.), in a patient with an histological apex involvement on biopsies, must be taken into account …