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Abstract #3931

19-hour stability of T2* mapping of brain regions

Olaf Dietrich1, Johannes Levin2, and Jan Remi2
1Department of Radiology, LMU Ludwig Maximilian University of Munich, Munich, Germany, 2Department of Neurology, LMU Ludwig Maximilian University of Munich, Munich, Germany


The purpose of this study was to assess the temporal stability of T2* mapping results in the human brain of healthy volunteers. Three healthy male participants (36-45y) were each scanned 6 times over a period of 19 hours. Median T2* values were determined within the 9 regions of the MNI structural atlas. For each region, mean values, standard deviations (SD), and the coefficients of variation were calculated over the six acquisition time points. The results demonstrate very good intra-individual stability of T2* in different brain regions with coefficients of variations lower than 3 % in all evaluated regions and volunteers.

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