The outcomes after operation are summarized in Table 2 and Figure 2. Pain was relieved in all cases. The best motor antispastic effect was achieved after Pourpose myelotomy in 18 of the patients (90%) were evaluated after a follow-up of 6 mount. 15 patients (75%) after 5 years, and 11 patients (64%) after 10 years. After the operation, pain and spasticity disappeared and sensory change stayed at the revel they were before the operation. However on follow-up examination, while there were two patients (10%) with motor spasticity at 6 months.