Fig. 4

A 64-year-old male patient, diabetic and hypertensive, presented with mild right-sided weakness. NIHSS on admission was 5 a axial diffusion WIs (b1000) show small left parietal acute infarct. b Axial color-coded FA map overlaid on axial T2 images showing reduced FA value at the site of infarct (0.3) compared to the contralateral normal side (0.5) c, d axial FA color-coded map overlaid over axial T2 image with 3D fiber tractography of the CST that appear preserved. The patient shows a significant clinical improvement with residual speech difficulties. NIHSS after 3 months was 2