Perineural cyst around S1 nerve root

Case contributed by A.Prof Frank Gaillard

Surrounding the right S1 nerve root is a CSF intensity space with associated bony remodelling.

Typical features of a Tarlov cyst

Case Discussion

Tarlov cyst (also called a perineural cyst) is a CSF filled dilatation of the nerve root sheath at the dorsal root ganglion. These are type II spinal meningeal cysts that are, by definition, extra dural, but contain neural tissue.

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Case information

rID: 2690
Case created: 14th May 2008
Last edited: 10th May 2017
Tag: spine
Inclusion in quiz mode: Included

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