Quantitative magnetic resonance imaging, especially T1/T2 relaxation time mapping is increasingly used in both research and clinical practice. The purpose of this study was to assess the precision and cross-platform repeatability and reproducibility of T1 and T2 mapping modules on GE and Siemens MRI platforms, with the goal of standardization across vendors. A standard MRI quantitative phanom was scanned on four scanners, twice per scanner. GE data was processed with a custom script. Our results show high intraplatform repeatability, but showed high inter-platform discrepancies for both T1 and T2 results.
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