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CSF leak



Cerebrospinal fluid leak
Cerebrospinal fluid leak


CSF leak

Definition:

CSF leak is an escape of the fluid that surrounds the brain and spinal cord, from the cavities within the brain, or from the central canal in the spinal cord.


Alternative Names:
Intracranial hypotension
Causes, incidence, and risk factors:


The dura is the membrane that surrounds the brain and spinal cord and contains the cerebrospinal fluid (CSF). A tear in the dura may occur under the following circumstances:

  • Spontaneously
  • After surgery:
    • Spinal
    • Sinus
    • Brain
    • Head
  • After penetrating head trauma.

CSF leak can also be caused by a lumbar puncture (spinal tap) or by epidural placement of catheters for anesthesia or pain medications.




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