Abstract
Carotid-cavernous fistulas (CCF) are classified in direct (Barrow A) and indirect. The direct comunication between the cavernous segment of the internal carotid artery and the cavernous sinus defines direct CCF. In the present case, is described a 51-year-old female patient, diagnosed with subarachnoid hemorrhage through head tomography. The patient underwent an agiographic study, wen was identified a large dissecant aneurysm in the right internal carotid artery and a direct CCF with early drainage into the ophthalmic vein and inferior petrous sinus, manifesting paralysis of the third cranial nerve.
Highlights
Ehlers-Danlos syndrome and internal carotid artery (ICA) aneurysms, as well as traumatisms, are among the causes for direct carotid-cavernous fistula (CCF), which is characterized by an abnormal communication between the ICA and the cavernous sinus
The present study aims to report a case of direct Carotid-cavernous fistulas (CCF), type Barrow A, associating clinical aspects of its pathology
The patient was transferred and an arteriographic study was indicated showing a large aneurysm arising from the internal carotid artery and a direct carotid-cavernous fistula (Barrow A) with early drainage into the ophthalmic vein and inferior petrous sinus
Summary
Fístula Direta Carotídeo-Cavernosa com drenagem precoce para seio petroso inferior. Fístula carótido-cavernosa directa con drenaje temprano al seno petroso inferior. 1.Medical student, Faculdade Medicina Estácio de Juazeiro do Norte, Juazeiro do Norte-CE, Brazil. Https://orcid.org/0000-0002-4229-2625 5.Medical student, Faculdade Medicina Estácio de Juazeiro do Norte, Juazeiro do Norte-CE, Brazil. Após submissão a uma arteriografia cerebral, foi identificado um aneurisma grande dissecante na carótida interna direita e uma FCC direta com drenagem precoce para a veia oftálmica e seio petroso inferior, manifestando paralisia do III par craniano. Fístula carótido-cavernosa; Aneurisma; Artéria carótida interna; Cefaleia
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