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Adult diastematomyelia
N A Russell1, B G Benoit, A J Joaquin
1Division of Neurosurgery, Ottawa Civic Hospital, University of Ottawa, Ontario, Canada.
With modern imaging techniques, various types of spinal dysraphism are being diagnosed in adults with increasing frequency. We report a 42-year-old woman with diastematomyelia whose symptoms characteristically were precipitated by trauma. She exhibited other typical features such as a posterior midline hair patch and vertebral malformations. Metrizamide myelography with computerized tomography showed a bony septum at T11 with a cleft at T9-T11 separating two dural tubes each of which contained a single spinal hemicord. The septum was excised with complete relief of symptoms.
With modern imaging techniques, various types of spinal dysraphism are being diagnosed in adults with increasing frequency. We report a 42-year-old woman with diastematomyelia whose symptoms characteristically were precipitated by trauma. She exhibited other typical features such as a posterior midline hair patch and vertebral malformations. Metrizamide myelography with computerized tomography showed a bony septum at T11 with a cleft at T9-T11 separating two dural tubes each of which contained a single spinal hemicord. The septum was excised with complete relief of symptoms.