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True dural spinal epidural cysts: report of 5 cases

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dc.contributor.authorParedes, Igor
dc.contributor.authorMunarriz, Pablo M.
dc.contributor.authorToldos, Óscar
dc.contributor.authorCastaño León, Ana María
dc.contributor.authorPanero, Irene
dc.contributor.authorEiriz, Carla
dc.contributor.authorGarcía Pérez, Daniel
dc.contributor.authorPérez Núñez, Ángel
dc.contributor.authorLagares, Alfonso
dc.contributor.authorAlen, José Antonio F.
dc.contributor.departmentFarmacología
dc.contributor.otherFacultades de la UMU::Facultad de Medicina
dc.date.accessioned2026-02-19T10:25:28Z
dc.date.available2026-02-19T10:25:28Z
dc.date.copyright© 2019 Elsevier Inc.
dc.date.issued2020-03
dc.description.abstractBackground Spinal arachnoid cysts are a rare cause of compressive myelopathy. Spinal extradural arachnoid cysts (SEACs) are even rarer. Methods We retrospectively reviewed the SEACs operated on in our hospital between 2015 and 2019, according to their clinical and radiologic findings, treatments performed, and outcomes. Results We identified 5 cases (2 males and 3 females), ranging in age from 21 months to 78 years. Except for the pediatric case, all patients presented with pain and 3 had some grade of neurologic impairment. Preoperative magnetic resonance imaging showed multiloculated cyst in 4 cases, and the communication with the dura was properly identified in only 1 case. The patients were operated through a laminectomy or laminoplasty and total removal of the cyst, and the communication with the dura was identified and repaired in all cases. In all cases, the defect was near the exit of a nerve root, and rootlets were seen through it, producing a ball-like valve mechanism. Histology of the cyst wall showed true dura in every case. One patient needed a reoperation for evacuation of a fluid collection (related to the dural sealant). Following Odom's criteria, 3 patients had an excellent outcome and 2 had a fair outcome. Conclusions Total excision of a symptomatic SEAC through either laminectomy or laminoplasty is a safe and effective treatment option. Although isolated repair of the dural communication without cyst removal may seem appealing, we have found it very difficult to identify the point of communication preoperatively.
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dc.identifier.citationWorld Neurosurgery, 2020, Vol. 135, pp. 87-95
dc.identifier.doihttps://doi.org/10.1016/j.wneu.2019.12.010
dc.identifier.eissn1878-8769
dc.identifier.issn1878-8750
dc.identifier.urihttp://hdl.handle.net/10201/208181
dc.languageeng
dc.publisherElsevier
dc.relationSin financiación externa a la Universidad
dc.relation.publisherversionhttps://www.sciencedirect.com/science/article/pii/S1878875019330384
dc.rights.accessRightsinfo:eu-repo/semantics/restrictedAccess
dc.subjectDural communication
dc.subjectDural tear
dc.subjectExtradural spinal arachnoid cyst
dc.subjectTrua dura cyst
dc.subjectCompressive myelopathy
dc.subject.odsNo relacionado con ningún objetivo de desarrollo sostenible
dc.titleTrue dural spinal epidural cysts: report of 5 cases
dc.typeinfo:eu-repo/semantics/article
dc.type.versioninfo:eu-repo/semantics/publishedVersion
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relation.isAuthorOfPublication.latestForDiscovery2f2500a1-1b27-4420-820c-db8c16e79afd
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