Reviewer: Eman Abdelzaher, M.D., Ph.D. (see Reviewers page)
Revised: 17 April 2013, last major update February 2012
Copyright: (c) 2005-2013, PathologyOutlines.com, Inc.
- 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
- Predisposing factors include craniocervical junction abnormalities, spinal cord trauma, spinal cord tumors (Merck Manual)
Cervical spine MRI
Syrinx in spinal cord
End of CNS tumor > CNS cysts > Syrinx
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