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Clinical features

Authoring team

The characteristic features of cavernous sinus thrombosis are:

  • fevers and rigors
  • pain in the eye and forehead - ophthalmic division of V
  • exophthalmos and occasionally, papilloedema
  • cranial nerve palsies - III, IV, VI
  • oedema of the periorbital structures and forehead due to blockage of venous drainage
  • symptoms are most usually unilateral, but can extend via the circular sinus to become bilateral

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