2017 Imaging for Physicists Coursebook

Time-of-flight (TOF) PET

• In addition to the coincidence information, the difference in flight time is registered



 2

x

t

c

• Better SNR

(a) Localization without TOF, (b) with TOF. Townsend, PMB 2008 [3]

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ESTRO Teaching Course Advanced Imaging: PET – Basic Principles