Fig. 1.

Transverse contrast-enhanced T1-weighted images (T1), echo planar images (EPI), fractional anisotropy (FA) maps and diffusion kurtosis invariant metrics (AK: axial kurtosis; MK: mean kurtosis; RK: radial kurtosis) maps of a healthy subject and patients with gliomas. Note the distortion of the fibres with cranial-caudal direction (i.e. coloured in blue) produced by the tumor in the pathological hemispheres. (For interpretation of the references to colour in this figure legend, the reader is referred to the web version of this article.)