Advanced Brachytherapy Physics - Vienna 2016

Ultrasounds

B t • u : 

Image visual appearance is very different than CT or MRI  Needle and catheter localization: YES (but tips difficult)  Applicator tracking: OK  Seeds and spacers visualization: Not really k d/ d b b f d (  3D trac e motorize pro e to e avore imaging reconstruction accuracy)  No electronic density for dose calculation  Probe motion inducing organ motion or deformation ?