Molecular Imaging 2017

ITV: PET and breathing movements

Phantom measurements with moving spheres in ungated PET and CT

CT:

significant distortion

PET: image similar to ideal capsular shape depicting sphere + motion

 Possibility of exact imaging of 4-D-tumor volume

 Reduction of risk for topographical miss from „snapshot“-CT

Slide 33

Caldwell IJROBP 2003 55; 1381-1393