Severe hypoplasia of the L4 vertebra with absence of its posterior neural element and moderate hypoplasia of L3 and L2 vertebrae with posterior subluxation of L3 vertebra causing subsequent lumbar kyphosis and severe spinal canal narrowing.
Tethered cord ending opposite L5 vertebra with a bulky Low-lying cord segment present just caudal to the focal stenosis at L3-4.
Spinal dysraphism of L2 down to L5 vertebrae.