Immediately after their PET/CT session, patients were taken to the PET/MR facility. PET/MR images were acquired on the combined whole-body PET/MR system, Ingenuity TF PET/MR (Philips Healthcare, Cleveland) [16 (link)]. PET images were acquired in 3D mode, using TOF information, standard for this system. Whole-body and partial-body protocols were acquired on the PET/MR: 2 to 3 minutes per bed position (159.4±59.7 sec), 7 to 11 bed positions, with 45 slices per bed and a 55% overlap between beds (standard for this system). Images were reconstructed with a matrix size of 144×144, with 4×4×4 mm3 voxel size, using a TOF, list-mode, blob-based OSEM algorithm with 3 iterations and 33 subsets using corrections for normalization, dead time, attenuation, scatter, random coincidences, sensitivity and decay.
Protocol detail
PET/MR Imaging Protocol for Whole-Body Scanning
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Corresponding Organization :
Other organizations : Icahn School of Medicine at Mount Sinai, University of Cambridge, Cardiovascular Institute of the South
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Variable analysis
dependent variables
- PET/MR images
- Whole-body and partial-body protocols
- 2 to 3 minutes per bed position (159.4±59.7 sec)
- 7 to 11 bed positions
- 45 slices per bed
- 55% overlap between beds
- Matrix size of 144×144
- Voxel size of 4×4×4 mm^3
- TOF, list-mode, blob-based OSEM algorithm with 3 iterations and 33 subsets
- Corrections for normalization, dead time, attenuation, scatter, random coincidences, sensitivity and decay
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