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- Merrow, A.C. & Guion, C.J. Pediatr Radiol (2010) 40: 168. doi:10.1007/s00247-010-1734-3
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The split-cord malformation (or diastematomyelia) represents a sagittal cleft of the spinal cord into two hemicords that can be enclosed in single or separate dural sheaths and separated by a fibrous or osteocartilaginous septum, respectively . Up to 85% have associated spinal anomalies, the most common being low-lying conus medullaris and thickened filum terminale . A myelomeningocele involving one of the hemicords (i.e. hemimyelomeningocele) is seen in up to 41% of cases .