Presentation
Previous spinal surgery. Ongoing back and lower limb pain.
Patient Data
Age: 70 years
Gender: Female
From the case:
Arachnoiditis
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MRI demonstrates characteristic appearances of arachnoiditis with an empty theca sign (cauda equina nerve roots are adherent to the margins of the dura and clumped).
Case Discussion
Arachnoiditis is an important feature to seek in all spines, particularly those with a prior history of surgery or infection.