Low lying cord noted at L4 with fatty mass dorsal to cord displacing the cord ventrally with lipoma-placode interface within the spinal canal with normal anterior subarachnoid space.
The lipoma is contiguous with subcutaneous fat through dorsal dural defect at level of S2 vertebral body ( spina bifida ). These features are diagnostic of Lipomyelocele.
Also noted is ectopic left kidney seen in the pelvis.