2016_Imaging for Physicists

Activity Recovery, Partial Volume Effect: The Smaller the Volume, the Darker it Appears

68 Ga Phantom measurements:

8.4mm

6.8mm

3.8mm

3.2mm

CT

Activity Recovery Coefficient

object diameter [mm]

PET, contrast 1:0

40

ESTRO Teaching Course Advanced Imaging: PET – Reconstruction, Contouring