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Table 1 Calibration factors to convert SPECT count density into SUV

From: Bone SPECT-based segmented attenuation correction for quantitative analysis of bone metastasis (B-SAC): comparison with CT-based attenuation correction

  Reconstruction conditions
CTAC(+)SC(+)RR(+) UAC(+)
AC(−)SC(+)RR(+) NC
Calibration factor* (Bq/cps) 4148.7 3098.1 10,299.3 32,667.6
  1. *Based on the phantom study