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Focal high T2 signal lesion with faint surrounding enhancement is seen at the T12/L1 level. It appears to communicate with the nucleus pulposus via an annular defect but also appears intrathecal, compressing the conus. On axial T2 a subdural CSF collection can be seen below the lesion.
Conclusion:
Findings are most compatible with T12-L1 intradural disc extrusion.