2017 Imaging for Physicists Coursebook

Attenuation correction for 4D PET

• A baseline shift between CT and PET results in an erroneous attenuation correction of the PET • 4D PET attenuation correction with CT – standard 3D – average – mid-ventilation – 4D

• A baseline shift between CT and PET results in an erroneous attenuation correction of the PET