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Original Article

Appearance and vanishing of a spinal intradural arachnid cyst after multiple epidural corticosteroid injections. A spontaneously resolving cause of symptomatic lumbar stenosis

Authors:

P Mailleux ,

Dept of Medical Imaging, Clinique St Luc, Bouge
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G Milbouw,

Dept of Neurosurgery, Regional Hospital Center, Namur
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G Koerts,

Dept of Neurosurgery, Regional Hospital Center, Namur
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P Verbeek,

Dept of Medical Imaging, Clinique et Maternité Sainte Elisabeth, Namur, Belgium, BE
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X Willems

Dept of Medical Imaging, Clinique et Maternité Sainte Elisabeth, Namur, Belgium, BE
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Abstract

Background: Spinal intradural arachnoid cyst is a rare lesion, sometimes acquired.

Purpose: To describe the appearance and later spontaneous disappearence of a lumbar intradural arachnoid cyst, following perineural corticoid injections.

Method: Review of the clinical data and imaging, with final spontaneous return to initial state.

Discussion: Atypical intradural arachnoid cysts can be related to perineural injections and can cause symptoms of spinal stenosis. Its spontaneous vanishing is a very rare event, up to now unreported.

Keywords: Arachnoid,   cysts  
How to Cite: Mailleux, P. et al., (2014). Appearance and vanishing of a spinal intradural arachnid cyst after multiple epidural corticosteroid injections. A spontaneously resolving cause of symptomatic lumbar stenosis. Journal of the Belgian Society of Radiology. 97(4), pp.251–253. DOI: http://doi.org/10.5334/jbr-btr.95
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Published on 01 Jul 2014.
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