Keywords
conjunctival injection
trauma, throbbing headache
cavernous sinus
carotid artery
How to Cite
Abstract
Carotid cavernous fistulas are abnormal communications between the carotid arterial system and the venous cavernous sinus. These can be divided anatomically into direct, where the main etiology is traumatic, and dural where the etiology is multifactorial. Presented here is a case of a patient with a type C carotid cavernous fistula. The case of a 59-year-old male previously healthy presents conjunctival injection, hemifacial pain, diplopia, and pulsatile tinnitus 7 months after penetrating anterior neck trauma. Several CT scans and MRI are performed which guide the diagnosis towards a vascular origin. An angiography finally establishes the diagnosis of a type C carotid cavernous fistula. An embolization is performed in two occasions which normalizes intraocular pressure and reduced symptomatology.
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