Interdural Spinal Cyst: A Rare Clinical Entity

Background For more than 2 decades, dural spinal cysts have been broadly classified as extradural and intradural. Case Description A 40-year-old woman presented with radicular thoracic pain. Intraoperative findings showed the cyst to be present within the dura itself. Conclusions We suggest a revise...

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Bibliographic Details
Published in:	World neurosurgery 2016-04, Vol.88, p.688.e9-688.e12
Main Authors:	Sajjad, Jahangir, Yousaf, Irfan, Bermingham, Niamh, Kaar, George
Format:	Article
Language:	eng
Subjects:	Adult Central Nervous System Cysts - pathology Central Nervous System Cysts - surgery Dura Mater - pathology Dura Mater - surgery Female Humans Interdural cyst Meningeal cysts Microsurgery - methods Neurosurgery Neurosurgical Procedures - methods Rare Diseases - pathology Rare Diseases - surgery Spinal Cord Neoplasms - pathology Spinal Cord Neoplasms - surgery Spine Treatment Outcome
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Summary:	Background For more than 2 decades, dural spinal cysts have been broadly classified as extradural and intradural. Case Description A 40-year-old woman presented with radicular thoracic pain. Intraoperative findings showed the cyst to be present within the dura itself. Conclusions We suggest a revised classification of spinal dural cysts. This case highlights that, during surgery for spinal meningeal cysts, surgeons should bear in mind the possibility of an interdural cyst. This may help avoid inadvertent tears in the deep layers of such cysts, thus maintaining dural patency.
ISSN:	1878-8750 1878-8769