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Table 3 Summary of imaging systems, choice of collimator, energy-window settings and reconstructions used in studies of quantitative 90Y bremsstrahlung SPECT

From: EANM dosimetry committee series on standard operational procedures: a unified methodology for 99mTc-MAA pre- and 90Y peri-therapy dosimetry in liver radioembolization with 90Y microspheres

Study Imaging system Collimator Energy window (keV) Reconstruction settings
Ito et al. [110] Picker PRISM-2000XP Medium energy Various.
57–232 concluded for clinical imaging
OS-EM (& FBP).
Att.Corr: Chang method
Scat.Corr: not included
CRF not included
Minarik et al. [111, 112] GE SPECT/CT Discovery VH High energy 105–195 OS-EM
Att.Corr: CT-based, mean mass-attenuation coefficient (abundance-weighted mean energy)
Scat.Corr: Effective Scatter Source Estimation (ESSE)
CRF included
Elschot et al. [113] Siemens Symbia T16 SPECT/CT High energy 50–250 OS-EM
Att.Corr: CT-based, Monte-Carlo calculation embedded in reconstruction, including modelling of attenuation and scatter.
CRF included
Rong et al. [114, 115] Philips Precedence SPECT/CT High energy 100–500 OS-EM
Att.Corr: CT-based with energy-dependent effective attenuation coefficient
Scat.Corr: ESSE
CRF included
80–180 found optimal
Dewaraja et al. [116] Siemens Symbia T6 SPECT/CT High energy 105–195 OS-EM
Att.Corr: CT-based with mass attenuation coefficient for 150 keV
Scat.Corr: Monte Carlo calculation embedded in reconstruction
CRF included
  1. CRF collimator response function