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Table 1 Overview of measurements performed

From: Simultaneous PET/MRI with 13C magnetic resonance spectroscopic imaging (hyperPET): phantom-based evaluation of PET quantification

Scan number 13C-MRSI acquisition PET acquisition PET gantry FDG activity Phantom Comparisons
1, 3, 5, 7, 9, 11, 13, 15 ON ON ON 34–16 MBq NEMA PET, 13C-MRSI acq. ON versus OFF
2, 4, 6, 8, 10, 12, 14, 16 OFF ON ON
17–20, 25–28 ON OFF ON 41–31 MBq mMR water 13C-MRSI, PET gantry ON versus OFF; with high activity
21–24 ON OFF OFF
29–32, 37–40 ON OFF ON 0.21–0.18 MBq 13C-MRSI, PET gantry ON versus OFF; with low activity
33–36 ON OFF OFF
  1. Scan numbers are consecutive in time. The total FDG activity of the phantom is given at the start and end of each measurement series (1–16, 17–28, and 29–40, respectively)