Molecular Imaging 2017

mMR Biograph

PET camera integrated within MRI scanner

Challenges:  Changes in path of 511 keV electrons  Heating & vibration  Interference with electronics Redesign:  New avalanche photodiodes  Electronics  Temperature control  RF shielding around PET

Courtesy: Siemens Healthcare

Vandenberghe et al. Phys Med Biol 2015; 60:R115-154