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AJNR - American Journal of Neuroradiology

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American Journal of Neuroradiology 27:1562-1564, August 2006
© 2006 American Society of Neuroradiology

Case Report
PEDIATRICS

An Unusual Case of Split Cord Malformation

J. Moriya^a, S. Kakeda^a, Y. Korogi^a, Y. Soejima^b, E. Urasaki^b and A. Yokota^b

^a Department of Radiology, University of Occupational and Environmental Health School of Medicine, Kitakyushu, Japan
^b Department of Neurosurgery, University of Occupational and Environmental Health School of Medicine, Kitakyushu, Japan

Address correspondence and reprint requests to Junji Moriya, MD, Department of Radiology, University of Occupational and Environmental Health, 1-one Iseigaoka, Yahatanishi-ku, Kitakyushu 807-8555, Japan; e-mail: j-moriya{at}med.uoeh-u.ac.jp

SUMMARY: We present a variant of a split cord malformation with coexisting segmental spinal dysgenesis. CT myelography showed the left hemicord with a small remnant of subarachnoid space running through an intravertebral cleft in a spine anomaly. The left hemicord had no apparent intradual connection to the upper cord on any radiologic examination, though functional electrical stimulation studies revealed an intact efferent pathway that connected the left hemicord to the main spinal cord.