The radioanatomic features of diastematomyelia were studied in 34 children. Characteristics of the septum, intermedullary space, the split cord, the low conus, and prominent filum terminale are analyzed, The diastematomyelic septum is calcified from an ossification center different from that of the vertebrae or laminae. The combination of intersegmental laminar fusion and spina bifida at or adjacent to the level of the fusion suggests diastematomyelia. The incidence of scoliosis increases in older children with diastematomyelia when the condition remains untreated.
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Hilal et al. (1974) studied this question.