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search Classification and external resources ICD-10 G95.0, Q06.4
ICD-9 336.0 742.53 OMIM 272480 186700 DiseasesDB 12769
MedlinePlus 001398 eMedicine neuro/359 MeSH D013595
Syringomyelia has a prevalence estimated at 8.4 cases per
100,000 people,[2] with symptoms usually beginning in young
adulthood. Signs of the disorder tend to develop slowly,
although sudden onset may occur with coughing, straining, or
myelopathy.   Cerebrospinal fluid normally flows in a pulsatile
manner throughout the subarachnoid space which envelops the
spinal cord and brain, transporting nutrients and waste
products. The cerebrospinal fluid also serves to cushion the
brain. Excess cerebrospinal fluid in the central canal of the
spinal cord is called hydromyelia. This term refers to increased
cerebrospinal fluid that is contained within the ependyma of the
central canal. When fluid dissects into the surrounding white
matter forming a cystic cavity or syrinx, the term syringomy