Selective Dorsal Rhizotomy

Surgical procedure of selective dorsal rhizotomy (SDR) for spastic cerebral palsy, 1= lumbar spine at the location of the conus medullaris, 2= single-level laminectomy, 3= dural incision, 4= separation of motor and sensory nerves, 5= sensory nerve roots are tested, 6= problematic nerve roots are cut, unlabeled diagram.