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Thoracic intramedullary arachnoid cyst in an infant

Fabian Medved1, Marcel Seiz, Marc-Oliver Baur

  • 1Department of Neurosurgery, University Children's Hospital, and Department of Neuroradiology, Mannheim Medical Faculty, University of Heidelberg, Mannheim, Germany.

Journal of Neurosurgery. Pediatrics
|March 13, 2009
PubMed

Insights

Intramedullary arachnoid cysts causing spinal cord compression are rare in children. Surgical decompression in an 18-month-old boy with paraparesis led to a complete recovery, highlighting effective treatment for this condition.

Area of Science:

  • Pediatric Neurosurgery
  • Spinal Cord Pathology
  • Cystic Lesions

Background:

  • Symptomatic intramedullary arachnoid cysts are exceptionally rare in pediatric populations.
  • Spinal cord compression in children is typically caused by other pathologies.

Observation:

  • An 18-month-old boy presented with acute paraparesis, losing the ability to stand and walk.
  • MRI revealed an intramedullary cystic lesion at the T5-T6 level.

Findings:

  • Surgical decompression via hemilaminectomy and cyst fenestration to the subarachnoid space was performed.
  • Histopathological examination confirmed the lesion as an arachnoid cyst.
  • The patient experienced complete resolution of paraparesis post-operatively.

Implications:

  • This case underscores the importance of considering rare intramedullary cysts in pediatric spinal cord compression.
  • Surgical fenestration offers a viable and effective treatment for pediatric intramedullary arachnoid cysts.
  • Early diagnosis and surgical intervention can lead to excellent neurological recovery in affected children.

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