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Michael P. D'Alessandro, M.D.
Peer Review Status: Internally Peer Reviewed
Part of the spectrum of spinal dysraphism which is the congenital separation of pedicles and lamina of vertebral bodies associated with non fusion defects and disorganization of neural tube elements. Other types of spinal dysraphism include dermoid cyst, congenital dermoid sinus, lipoma, diastematomyelia, split notochord syndrome, neurenteric fistula, and tethered cord syndrome. Meningocele is herniation of the meninges through the dysraphic spine. A meningomyelocele is herniation of the meninges and spinal cord through the dysraphic spine.
On plain film you see increased interpedicular distance extending over several vertebral levels.
See References Chapter.
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