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Fig. 4 | Journal of Translational Medicine

Fig. 4

From: Evaluation of B1 inhomogeneity effect on DCE-MRI data analysis of brain tumor patients at 3T

Fig. 4

It shows data from a subject with brain tumor having a B1rel value of 0.94 in the tumor region pointed by the arrow. a The post contrast T1W image. b The relative B1 map (B1rel) of the corresponding slice. c The concentration curve over 32 time points at the tumor location denoted by the arrow in (a) before and after B1 inhomogeneity correction. d The relative error in concentration over the time points. The first 8 time points are excluded as contrast reaches tissue at ~ 9th time point. e The percentage error in perfusion parameters before and after B1 correction

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