A discussion on the diagnostic significance of L_5 and S_1 dermatomes somatosensory evoked potential of lumbosacral rediculopathy

English Keywords:Lumber intervertabral disc herniation Cortical somatosensory evoked potential(CSEP) Dermatomes somatosensory evoked potential (DSEP) Lumbosacral rediculopathy,

English Abstract:

  One hundred pantients suffering from lumbar intervertebral disc herniation were examied by means of SEP posterior tibial nerve from Jun. 1992-Jun.1993.In the same time somatosensory evoked potential following stimulation of the skin of L5 and L1 dermatome