Abstract: The analysis of 87 cases of MR imaging given impression of dysraphic myelodysplasias and their clinical materials found tethered cord deformity in 70 and non - "tethered" cord or "free" cord abnormalities in 17.The purpose of this study was to show that tethered cord was the most important clinical entity resulting in nervous disfunction of the spinal cord of the children among various dysraphic abnormalities and that MRI investigation was the best choice in order to obtain early and correct diagnosis and management of dysraphic myelodysplasias and tethered cord particularly.

Key words: dysraphic myelodysplasias, tethered cord deformity, MRI, rehabilitation