Anterior circulation acute ischemic stroke due to vertebral artery ostial stenosis in a patient with congenital internal carotid artery agenesis: a case report.

ABSTRACT:

Background

Congenital agenesis of internal carotid artery (ICA) is a rare cerebrovascular variation entity. Most cases of congenital ICA agenesis are asymptomatic and discovered incidentally. Congenital ICA agenesis presenting as ischemic stroke is even rare.

Case presentation

An 80-year-old male patient was admitted to our hospital due to sudden dysarthria and left limb weakness for 3.5 h. Based on emergency physical examination and head computed tomography (CT) scan results, acute ischemic stroke (AIS) of right cerebral hemisphere was suspected. Following intravenous thrombolysis with recombinant tissue plasminogen activator, right congenital agenesis of ICA was confirmed by CT and digital subtraction angiography. Additionally, there was a severe right vertebral artery ost

SUBMITTER: He J 

PROVIDER: S-EPMC11484391 | biostudies-literature | 2024 Oct

REPOSITORIES: biostudies-literature