Split cord malformation is a rare form of closed neural tube defects. Ventral and dorsal bony spur occurring at a single site is a very rare form of split cord malformation.
We present an extremely rare case of an adult split cord malformation Type I who was neurologically intact, and had ventral and dorsal bony spurs and a skin defects around the exposed osseous septum. Only a few cases have been reported so far in the literature. She was operated on, her fibrous spur was removed, detethering of the filum, gathering of two hemicords in a single dura and myelotomy were performed. Her postoperative condition was uneventful.
Although there were many vertebrae and spinal deformities with split cord malformation, it could not be diagnosed until adulthood as the patient did not have any symptoms .
Key words: Dorsal and ventral spur, split cord malformation, surgery at diastematomyelia, adult split cord malformation
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