M X, 47, was operated on, apparently a little late, for a herniated L4-L5 lumbar disc responsible for hyperalgesic acute sciatica with motor and sensory deficit (decreased sensitivity and strength on the territory of the
M X, 55 years old, underwent lumbar arthrodesis 5 years ago. For 5 years the patient has continuously suffered from chronic low back pain radiating forward from the root of the right thigh, the right