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August 1963

Unusual Cause of Brown-Sequard Syndrome

Author Affiliations

From the Section on Neurological Surgery of the Chicago Wesley Memorial Hospital and the Department of Surgery of Northwestern University Medical School.

Arch Neurol. 1963;9(2):137-141. doi:10.1001/archneur.1963.00460080047006

With few exceptions4 most authors consider that the several varieties of rachischisis are due to defective closure of the dorsal aspect of the neural tube.2,5 This theory is not only in accord with the embryological facts but also explains why the closure defects are almost exclusively present in the dorsal aspect of the neural axis. Anterior defects are rare but by no means unknown. Such defects are usually present as anterior meningoceles3,8 or sinus tracts connecting the neural axis to the enteric tube.6,7 The case to be reported here is quite unique. A small herniation of the thoracic spinal cord through a defect in the dura mater was found. The patient presented himself with a modified Brown-Sequard syndrome. Perusal of the literature has failed to reveal the presence of any similar case.

Report of Case  This 33-year-old man was referred to the neurosurgical service of the

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