Ectopic midline spinal ganglion in diastematomyelia: a study of its connections

Gary W. Ross, Sven A. Swanson, Elias Perentes, Henry Urich

Research output: Contribution to journalArticlepeer-review

9 Scopus citations


The connections of an ectopic midline spinal ganglion associated with an asymptomatic sacral diastematomyelia were studied. The ganglion was intercalated in the ventral root of one hemicord and sent its efferents to the dorsal root of the other hemicord. The afferents joined the anterior root to form a midline intradural spinal nerve in the cauda equina. Islands of ectopic glia were present in both roots and the spinal nerve. Both the midline position of the ganglion and the glial heterotopias can be tentatively explained by the failure of incorporation of the dorsal cell wedge ("Zwischenstrang") into the divided neural tube.

Original languageEnglish (US)
Pages (from-to)1231-1234
Number of pages4
JournalJournal of Neurology, Neurosurgery and Psychiatry
Issue number9
StatePublished - 1988
Externally publishedYes

ASJC Scopus subject areas

  • Surgery
  • Clinical Neurology
  • Psychiatry and Mental health


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