Orphanet: Syringomyelia

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Disease definition

Syringomyelia is characterised by cerebrospinal fluid (CSF)-filled cavities (syrinx) inside the spinal cord, either as a result of a known cause (secondary syringomyelia, SS) or, more rarely, due to an unknown cause (primary syringomyelia, PS).


Classification level: Group of disorders
  • Synonym(s):
    • Hydromyelia
  • Prevalence: 1-9 / 100 000
  • Inheritance: Autosomal dominant or Autosomal recessive or Not applicable 
  • Age of onset: All ages
  • ICD-10: G95.0  Q06.4
  • OMIM: 186700
  • UMLS: C0039144  C0152444  C1861301
  • MeSH: D013595
  • GARD: 7725
  • MedDRA: 10042928
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