Table 1 Current scanning and reconstruction protocol

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uEXPLORER total-body PET/CT

Crystal, Size [mm³]

LYSO, 2.76 × 2.76 × 18.0

Amplifier

SiPM

Timing resolution (ps)

430

Axial FOV [cm]

194

Injected dose (MBq/Kg)

Full-activity: 1.6–2.3; Half-activity: 0.8–1.2

Uptake time (min)

50

Acquisition time (min)

10

Attenuation correction

ACCT

Reconstruction methods

PSF + TOF + 3D-OSEM

Reconstruction times (min)

Half-activity (30 s, 45 s, 60 s), All dataset: 1, 2, 3, 4, 5, 8, 10 min

Iterations/subsets

3/20

Slice thickness [mm]

1.443

Matrix

192 × 192