Time-of-Flight (TOF) PET
ESTRO Teaching Course Advanced Imaging: PET – Reconstruction, Contouring
25
Difference in flight time of
photons is registered
Probability of event
occurrence is limited to a
certain area along the LOR
Better SNR
●
Especially in the abdomen / heavy
patients
c
x
t
∆
=∆
2
no TOF
TOF
t
1
t
2