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Volume differences between 2 and 3D segmentation: Percentage volume difference between 2 and 3D data for the basal ganglia (BG) and for deep grey matter (DGM; BG + thalamus). The 2D data were additionally corrected with a CSF mask (see Fig. 6). Solid line: mean difference for all patients; broken lines: mean difference ± 2 ∗ standard deviation.
