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CASE REPORT
Unexplained paraparesis following subarachnoid haemorrhage
  1. Morgan J Bressington1,
  2. Gulam Zilani1,
  3. Dmitri Shastin1,2 and
  4. Chirag Patel1
  1. 1 Department of Neurosurgery, University Hospital of Wales, Cardiff, UK
  2. 2 School of Medicine, Cardiff University, Cardiff, UK
  1. Correspondence to Dr Morgan J Bressington, MJBressington{at}doctors.org.uk

Abstract

Spinal arachnoid cysts (SAC) are rare in isolation and the exact aetiology is still debated. Primary (congenital) cysts are caused by structural abnormalities in the arachnoid layer and largely affect the thoracic region. Secondary cysts are induced by a multitude of factors, infection, trauma or iatrogenic response, and can affect any level of the spinal cord. While subarachnoid haemorrhage (SAH) is a relatively common condition with significant repercussions, it is extremely uncommonly associated with SAC. When present, it may develop in the months and years after the original bleed, giving rise to new neurological symptoms. Prompt treatment is needed to halt or reverse the worsening of symptoms and questions are still being asked about how best to approach this condition. A 42-year-old man presented with chronic back pain, severe worsening ataxia and numbness below the umbilicus, 7 months after treatment for a World Federation of Neurosurgical Societies grade five (WFNS V) SAH. Imaging revealed a SAC extending from T12 to L4 and causing thecal compression. This was treated with a L3 laminectomy andmarsupialisation. An improvement in neurological function was observed at 6 months. Aetiology of the SAC and its association with SAH are discussed and a review of the relevant literature is provided.

  • spinal cord
  • stroke
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Footnotes

  • Contributors MB - patient interaction and consent, first draft, literature review, final revision. GZ - concept, patient interaction, clinical section. DS - concept, literature review, final revision. CP - concept, patient interaction, overall supervision.

  • Funding The authors have not declared a specific grant for this research from any funding agency in the public, commercial or not-for-profit sectors.

  • Competing interests None declared.

  • Provenance and peer review Not commissioned; externally peer reviewed.

  • Patient consent for publication Obtained.

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