Lumbar epidural arachnoid cyst
Right sided lumbar radiculopathy
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45 year old female, no history of trauma.
chronic right lumbar radiculopathy
MRI LS spine reveals a CSF signal intensity thin walled elongated epidural cystic lesion, scalloping the posterior aspects of L1-2-3 vertebral bodies and widening their right neural foramina.
Diagnosis of lumbar epidural arachnoid cyst was made.