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Encyclopedia > Diastematomyelia

Diastematomyelia is a congenital condition in which a part of the spinal cord is split, usually at the level of the upper lumbar vertebra. The Spinal cord nested in the vertebral column. ... A diagram of a thoracic vertebra. ...


See also

  • Diplomyelia

  Results from FactBites:
 
TheFetus.net - Diastematomyelia -Gianluigi Pilu, MD (1338 words)
In the latter case the cleft of the cord is associated with a mass attached anteriorly to the vertebral body and posteriorly to the dura mater.
Diastematomyelia acts as a restraint that slows the normal growth of the spinal cord by impeding the upward migration of the neural elements, with progressive neurologic deficits in the limbs.
When diastematomyelia presents as a closed neural tube defect, the prognosis for neurological function may be enhanced by early surgical removal of the septum, dural reconstruction into a single tube, excision of associated developmental masses and division of the tethering filum.
TheFetus.net - Diastematomyelia -Vincenzo Suma, MD, Alberto Marini, MD, Periklis Panagopoulos, MD, Pasquale Catapano, ... (1964 words)
The occult forms (diastematomyelia, neurenteric cysts, spinal lipomas, thickened filum terminale, tethered spinal cord and anterior sacral meningocele) do not present a visible lesion at birth, are rarely associated with Arnold-Chiari malformation or hydrocephalus and manifest clinically with a congenital, progressive neurological deficit.
Diastematomyelia may be localized to a single vertebra or extend to several vertebral segments.
holds that diastematomyelia is secondary to a dorsal and ventral cleft that severs the neural plate near the midline, resulting in separate closure of the two hemicords.
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