From: Quantitative analysis of 99mTc-pertechnetate thyroid uptake with a large-field CZT gamma camera: feasibility and comparison between SPECT/CT and planar acquisitions
Acquisition
Cross-calibration factors (counts.MBq−1 s−1)
Type
Mean ± SD
Planar
66.2 ± 4.9
SPECT/CT (Tomo-AC)
60.7 ± 0.7
SPECT (Tomo-NoAC)
26.5 ± 0.3