CNS tumor



Topic Completed: 1 February 2012

Minor changes: 26 August 2020

Copyright: 2002-2021,, Inc.

PubMed Search: Syrinx [title] central nervous system

Eman Abdelzaher, M.D., Ph.D.
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Cite this page: Abdelzaher E. Syrinx. website. Accessed December 2nd, 2021.
Definition / general
  • Fluid filled cavity within spinal cord (syringomyelia) or brain stem (syringobulbia)
  • Hydromyelia: accumulation of cerebrospinal fluid (CSF) causing simple distention of central canal of spinal cord lined by ependymal cells
  • Syringomyelia: accumulation of CSF dissecting into surrounding white matter to form a paracentral cavity, not lined by ependyma
  • Syringohydromyelia: combination of both, seen in most cases
Radiology images

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Cervical spine MRI

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