PMC3291887_01
a Axial DWI showing an infarct in the left posterior part of the spinal cord. b Sagittal T2-weighted image showing that the lesion was strictly limited to the C1 level. c Axial FLAIR image showing that the lesion involved the left posterior horn of the grey matter, a lateral part of the posterior column and a restricted posterior part of the lateral column. d Drawing of an axial section of the spinal cord at the C1 level. The infarct lesion is drawn in red. VF = Ventral funiculus; LF = lateral funiculus; DF = dorsal funiculus; VH = ventral horn of the grey matter; DH = dorsal horn of the grey matter; ST = spinothalamic tract; CST = corticospinal tract; V = nucleus of the trigeminal nerve.
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F1
Nine hours after the onset of symptoms, an MRI showed a small lesion affecting the left posterior area of the cervical spinal cord at the C1 level (fig. 1).