Prior spinal cord untethering and scoliosis. Brain: There is no evidence of intracranial hemorrhage, mass, or acute infarct. The brain parenchyma and pituitary gland appear unremarkable. The ventricles and basal cisterns are normal in size and configuration. There is no midline shift or herniation. The major cerebral flow voids are intact. The orbits, skull, paranasal sinuses, and scalp soft tissues are grossly unremarkable.Spine: There are postoperative findings related to cord detethering and scoliosis surgery. The spinal cord is low lying, with the conus medullaris extending to the level of the L3 vertebra. The conus medullaris does not shift in position between prone and supine positioning. There is also thin linear T1 hyperintensity along the filum terminale. There is no evidence of syringohydromyelia. There is mild thoracolumbar dextroscoliosis. The vertebral body and disc space heights are preserved. The vertebral bone marrow signal is unremarkable. There is no significant spinal canal stenosis.
1. Postoperative findings related to cord detethering with a low-lying and apparently immobile conus medullaris, which may represent tethered cord associated with a small fibrolipoma of the filum terminale.2. No evidence of Chiari I malformation, acute intracranial hemorrhage, mass, or acute infarct.3. Postoperative findings related to scoliosis surgery with persistent mild thoracolumbar dextroscoliosis.