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

EJNMMI Physics

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

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
Rong et al. [114, 115]	Philips Precedence SPECT/CT	High energy	Various. 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