Fig. 7

a-d: Segmental spinal dysgenesis in a neonate: Sagittal CT reconstruction (a) and sagittal T2 MR (b) images of the spine in the neonate with congenital paraplegia show absence of L1 and posterior dislocation of a hypoplastic L2 vertebra into the spinal canal (arrows on a and b). The spinal cord (star on b) is absent over the affected segments of the spine, but is thick and abnormally low further distally (block arrows on c and d). The 3D bony reformats from concomitantly performed CT (e) redemonstrate absence of L1 and hypoplasia of the posteriorly dislocated L2