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Perineural cyst around S1 nerve root

Case contributed by: Dr Frank Gaillard

From the case: Perineural cyst around S1 nerve root

Modality: MRI

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T1

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

Case Discussion:

Typical features of a Tarlov cyst.

References:

Diel J, Ortiz O, Losada RA et-al. The sacrum: pathologic spectrum, multimodality imaging, and subspecialty approach. Radiographics. 21 (1): 83-104. Radiographics (citation) - Pubmed citation