649 / 1694
Respiration Correlated PET
• Continuous emission
division based on respiration phase
• Prospective gating:Respiratory trace triggers onset of binning
for each breathing cycle
• Retrospective: Respiratory trace is used to bin counts from
listmode
24
26
28
30
32
34
-75.0
25.0
125.0 225.0 325.0 425.0
Phase (°)
Temp (°C)
inhale
exhale
exhale
Phase bin 8
Phase bin 1 Phase bin 2 Phase bin 3 Phase bin 4 Phase bin 5 Phase bin 6 Phase bin 7
Trigger
level
ESTRO IGRT 2017