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Jornal Vascular Brasileiro

Print version ISSN 1677-5449On-line version ISSN 1677-7301


GUIMARAES, Adriano Carvalho; PESSOA, Thaís Duarte Baião; MOREIRA, Ricardo Herkenhoff  and  ARAUJO, Walter Junior Boim de. Agenesis of the internal carotid artery. J. vasc. bras. [online]. 2018, vol.17, n.3, pp.243-247.  Epub July 23, 2018. ISSN 1677-5449.

Agenesis of the internal carotid artery is a rare anomaly. It is usually asymptomatic because of the presence of anastomoses, but it can be associated with complications, especially when there is evidence of other anatomical abnormalities or severe atherosclerotic disease. We report the case of a 63-year-old female patient with hypertension and diabetes and a history of intracranial aneurysm clipping. Doppler ultrasonography and computed tomography angiography of the carotid and vertebral arteries showed unilateral agenesis of the left internal carotid artery. This report aims to highlight the importance of suspecting vascular malformations during investigation of neurological conditions. Internal carotid agenesis has a significant association with intracranial aneurysms and their early detection can spare the patient serious complications.

Keywords : carotid artery; agenesis; intracranial aneurysm.

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