Jornal Vascular Brasileiro
https://app.periodikos.com.br/journal/jvb/article/doi/10.1590/1677-5449.0046
Jornal Vascular Brasileiro
Case Report

Bilateral internal carotid artery agenesis: a case report

Agenesia bilateral de artéria carótida interna: relato de caso

Giuliano da Paz Oliveira; Nara Lívia Rezende Soares; Germano da Paz Oliveira; Benjamim Pessoa Vale

http://dx.doi.org/10.1590/1677-5449.0046 J Vasc Bras, vol.13, n4, p.336-339, 2014
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Abstract

Agenesis of the internal carotid artery (ICA) is defined as a congenital absence of the carotid canal and occurs in less than 0.01% of the population. This anomaly is usually diagnosed as an incidental finding or after a cerebrovascular event. We present the case of a 36-year-old woman, with bilateral agenesis of the ICA who had suffered a subarachnoid hemorrhage due to ruptured aneurysm of the basilar artery. Therefore, agenesis of the ICA is a condition that, although rare, should be considered since there is a risk of coexistence with other life-threatening conditions such as aneurysms.

Keywords

internal carotid artery, carotid artery diseases, intracranial aneurysm

Resumo

Agenesia da artéria carótida interna (ACI) é definida como uma ausência congênita do canal carotídeo e ocorre em menos de 0,01% da população. O diagnóstico dessa anomalia ocorre geralmente como um achado incidental ou depois de um evento cerebrovascular. Apresentamos o caso de uma mulher de 36 anos, hipertensa e tabagista, com agenesia bilateral de ACI, que abriu quadro com hemorragia subaracnoide decorrente de rotura de aneurisma de artéria de basilar. A agenesia da ACI é, portanto, uma condição que, embora rara, deve ser lembrada por estar associada a outras más formações potencialmente fatais, como os aneurismas cerebrais.

Palavras-chave

artéria carótida interna, doenças das artérias carótidas, aneurisma intracraniano

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