Fig. 5From: Novel method using DW-MRI and ADC images to guide stereotactic biopsy for the diagnosis small primary angiitis of the central nervous system: a case reportBefore surgery, magnetic resonance diffusion tensor images showed that parts of the white matter fiber tracts were interrupted and an area of lower fractional anisotropy (FA) within the left centrum. A, B Diffusion tensor tractography (DTT). C FA pseudocolor image. D FA gray-scale imageBack to article page