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Start free with EleplanSyringomyelia
ORPHA:3280Clinical group
What it is
A rare medullar disease characterized by cerebrospinal fluid (CSF)-filled cavities (syrinx) inside the spinal cord as a result of an obstruction to CSF flow, either at the craniovertebral junction (Chiari malformation) or in the perimedullary subarachnoid spaces (arachnoiditis).
Key facts
- Prevalence
- 1-9 / 100 000 (Europe)
- Age of onset
- All ages
- Inheritance
- Not applicable
- Classified as
- Clinical group
Prevalence figures describe populations, not individuals, and are often estimates from a single study. Where the figure is an incidence or a birth prevalence, it says so.
Cross-references
Orphadata Science: Free access data from Orphanet. © INSERM 1999. Data version 2026-06-23. Available under CC BY 4.0. This is a reference, not medical advice.
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