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carotid-cavernous sinus fistula

etiology:
  • laceration of ICA within cavernous sinus; usually secondary to basal skull fractures or penetrating trauma
  • rupture of an intracavernous ICA aneurysm

symptoms: chemosis, conjunctival edema, bruit

findings:

  • focal or diffuse enlargement of cavernous sinus
  • edematous extraocular muscles
  • arterial enlargement (pulsating exophthalamus)
  • dilation of superior ophthalmic, facial, and internal jugular veins
  • occasional sellar erosion/enlargement
  • enlargement of superior orbital fissure (chronic phase)

Yong H. Hahn, MD  -  2 February 1995
Last updated:  1 October 2013


 

Related CHORUS documents:
extra-ocular muscle disease
Chagas disease
orbital pseudotumor
cavernous sinus
carotid artery bruit
Alexander disease

 

Copyright © 2013, Charles E. Kahn, Jr.