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Dural sinus malformation presenting with proptosis: report and review of a rare entity

Tejus M N Rao1, Sumit Thakar2, Paritosh Pandey3

  • 1Department of Neurosurgery, Sri Sathya Sai Institute of Higher Medical Sciences, Whitefield, ITPL Main Road, Bangalore, 560066, Karnataka, India.

Child'S Nervous System : Chns : Official Journal of the International Society for Pediatric Neurosurgery
|April 21, 2024
PubMed

Insights

Dural sinus malformation (DSM) can cause secondary proptosis. Endovascular embolization successfully treated a pediatric case, resolving eye proptosis and venous malformation.

Area of Science:

  • Vascular Malformations
  • Neuro-ophthalmology
  • Pediatric Neurology

Background:

  • Dural sinus malformation (DSM) is a rare condition involving dural venous sinus dilatation.
  • Secondary proptosis due to venous reflux from DSM is exceptionally rare, with few documented cases.

Observation:

  • A 17-month-old boy presented with progressive right eye proptosis.
  • The proptosis was attributed to a dural sinus malformation affecting the transverse sinus and torcula.

Findings:

  • Endovascular embolization was performed to address the arterio-venous fistula associated with the DSM.
  • Successful embolization led to complete thrombosis of the venous lake.
  • Significant improvement in the patient's proptosis was observed at the 6-month follow-up.

Implications:

  • This case highlights endovascular embolization as an effective treatment for DSM-induced proptosis.
  • The angio-architectural features of DSM are crucial for determining prognosis.
  • Further research into rare vascular malformations and their management is warranted.
Keywords:
Arterio-venous shuntDural sinus malformationProptosis

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