[A case of intractable lower limb pain treated successfully by spinal cord stimulation with an electrode inserted retrogradely].

We experienced a case of intractable lower limb pain successfuly treated by spinal cord stimulation with an electrode inserted retrogradely. The patient is a 32 year-old-man suffering from intractable lower limb pain on the area innervated by the sciatic nerve from unidentified cause for about 4 years. We tried various treatments such as epidural block, S 1 nerve-root block including thermocoagulation technique, opiate.