Acta Neurochirurgica

, Volume 160, Issue 3, pp 479–485 | Cite as

Compression of a giant pseudomeningocele causing transient anoxic seizures—a case report

Case Report - Spine


Transient anoxic seizure upon application of pressure on a giant pseudomeningocele has never been reported in the literature; such abrupt changes in intracranial pressure due to large volume of cerebrospinal fluid (CSF) translocation, if left untreated may lead to permanent cerebral hypoxic injury and death. Here we describe a case of a 26-year-old woman who had undergone lumbar disc surgery in another unit few months ago and developed a large lump around her back. Any pressure on the lump resulted in headaches and at times episodes of seizures. Clinical examination revealed a very large fluid-filled lump consistent with a giant pseudomeningocele, confirmed by an MRI. A video EEG while applying pressure on the lump was recorded. The patient developed a typical seizure attack with a characteristic pattern of cerebral anoxia, and a paired ECG showed irregular rhythm with junctional and ventricular ectopic beats during the latter part of the attack, raising a suspicion of asystole. Upon relieving the pressure off the lump, the patient gradually regained consciousness with no permanent neurological deficit. We then discuss the pathophysiology of anoxic seizures and highlight the need to be vigilant in managing patients with such lesions in order to prevent permanent cerebral hypoxic injury and death.


Pseudomeningocele Anoxic seizure Cerebral hypoxia Electroencephalography Electrocardiography 


Compliance with ethical standards

Conflict of interest


Ethical approval

All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.

Informed consent

Informed consent was obtained from all individual participants included in the study.


The contents of this manuscript have not been presented or published elsewhere.


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Copyright information

© Springer-Verlag GmbH Austria, part of Springer Nature 2017

Authors and Affiliations

  1. 1.Department of Spinal Surgery, Northern General HospitalSheffield Teaching Hospitals NHS Foundation TrustSheffieldUK
  2. 2.Department of Neurosurgery, Royal Hallamshire HospitalSheffield Teaching Hospitals NHS Foundation TrustSheffieldUK

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