Seif, M;
Leutritz, T;
Samson, R;
Curt, A;
Wheeler-Kingshott, CAM;
Freund, P;
Weiskopf, N;
(2018)
A multi-center study on fast full-brain quantitative multi-parameter mapping of R1, MT, and R2*: scan-rescan repeatability and inter-site reproducibility.
In:
Proceedings of the Joint Annual Meeting ISMRM-ESMRMB 2018.
(pp. p. 1198).
International Society for Magnetic Resonance in Medicine (ISMRM): Paris, France.
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Abstract
We present a multi-center, multi-vendor study evaluating repeatability and reproducibility of quantitative MRI data acquired using high resolution (1 mm³) multi-parameter mapping which provides quantitative R1, MT and R2* maps of the whole brain within less than 18 min. The protocol was implemented at four clinical sites with different Siemens and Philips 3T MRI scanners. Scan-rescan measurements of the same five healthy volunteers at all sites showed good intra-site reproducibility in all parameter maps. However, the inter-site comparisons showed higher reproducibility within a single vendor than across vendors.
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