Advanced Physics for Brachytherapy 2018

Imaging modalities for brachy planning TRUS Imaging modality for intraoperative prostate brachytherapy Prostate, rectum, urethra probe: OK Imaging reconstruction accuracy is favored by the motorized probe Needle and catheter visualization   No clear seed & spacing visualization No electronic density for dose calculation (issue in low energy) Needle & Cath Tips difficult Probe motion inducing organ motion or deformation ? ?

Adapted from L. Beaulieu ABP ESTRO 2016