these findings indicate that posterior tibial nerve somatosensory evoked potential is a sensitive indicator of neurophysiologic status in patients with tethered spinal cord , and is useful for determining the level of the conus medullaris , degree of spinal cord displacement , and severity of neurological impairment associated with this congenital disturbance of neuraxis formation .
C0149601
conus medullaris
C0037925
spinal cord