Tarlov cysts are abnormal sacs of spinal fluid that usually form at the lower end of the spine, which is called the sacrum. Tarlov cysts contain spinal nerve fibers within the cyst wall.
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The cause of a Tarlov cyst is unknown but may be related to:
- Trauma to the spine
- Increase in cerebrospinal fluid pressure
- Blockage of cerebrospinal fluid
Last reviewedNovember 2013by Michael Woods, MD
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