Siemens biography mct datasheet templates
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Quantitative comparison of PET performance—Siemens Biograph mCT and mMR
Abstract
Background
Integrated clinical whole-body PET/MR systems were introduced in In order to bring this technology into clinical usage, it is of great importance to compare the performance with the well-established PET/CT. The aim of this study was to evaluate PET performance, with focus on image quality, on Siemens Biograph mMR (PET/MR) and Siemens Biograph mCT (PET/CT).
Methods
A direct quantitative comparison of the performance characteristics between the mMR and mCT system was performed according to National Electrical Manufacturers Association (NEMA) NU protocol. Spatial resolution, sensitivity, count rate and image quality were evaluated. The evaluation was supplemented with additional standardized uptake value (SUV) measurements.
Results
The spatial resolution was similar for the two systems. Average sensitivity was higher for the mMR ( kcps/MBq) compared to the mCT system ( kcps/MBq). Peak noise equivalent count rate (NECR) was slightly higher for the mMR ( kcps @ kBq/mL) compared to the mCT ( kcps @ kBq/mL). Scatter fractions in the clinical activity concentration range yielded lower values for the mCT ( %) compared to those for the mMR ( %). Best image quality of the systems resulted
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Quantitative comparison of PET performance—Siemens Biograph mCT and mMR
- Original research
- Open access
- Published:
EJNMMI Physicsvolume 3, Article number: 5 () Cite this article
Abstract
Background
Integrated clinical whole-body PET/MR systems were introduced in In order to bring this technology into clinical usage, it is of great importance to compare the performance with the well-established PET/CT. The aim of this study was to evaluate PET performance, with focus on image quality, on Siemens Biograph mMR (PET/MR) and Siemens Biograph mCT (PET/CT).
Methods
A direct quantitative comparison of the performance characteristics between the mMR and mCT system was performed according to National Electrical Manufacturers Association (NEMA) NU protocol. Spatial resolution, sensitivity, count rate and image quality were evaluated. The evaluation was supplemented with additional standardized uptake value (SUV) measurements.
Results
The spatial resolution was similar for the two systems. Average sensitivity was higher for the mMR ( kcps/MBq) compared to the mCT system ( kcps/MBq). Peak noise equivalent count rate (NECR) was slightly higher for the mMR ( kcps @ kBq/mL) compared to the mCT ( kcps @ kBq/mL). Scatter fractions in the clinical activity concentration ran
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