Objective: Spinal intramedullary tumors sometimes extend both superiorly and inferiorly along almost the entire cord, and those diagnosed as pilocytic astrocytoma are rare. The syringomyelia is an ependimary or periependimary cavitation of the spinal cord and is considered a suffering of degenerative and irreversible type, 58 % of the cases is associated with intramedullars tumors.