Back and perineal pain.
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A focal lesion is seen in the spinal canal at the level of S2 vertebral body with similar signal intensities to the CSF. This is in keeping with a perineural root sleeve cyst (Tarlov) at the level of S2 vertebral body.
- Paulsen RD, Call GA, Murtagh FR. Prevalence and percutaneous drainage of cysts of the sacral nerve root sheath (Tarlov cysts). (1994) AJNR. American journal of neuroradiology. 15 (2): 293-7; discussion 298-9. Pubmed