Stenting for Middle Cerebral Artery Stenosis Associated With a Non-bifurcating Cervical Carotid Artery: Case Report and Naming Consideration.

Stenting for Middle Cerebral Artery Stenosis Associated With a Non-bifurcating Cervical Carotid Artery: Case Report and Naming Consideration.

World Neurosurg. 2019 Feb 11;:

Authors: Yuan C, Duan H, Yi Z, Zhang Y, Zhang J

Abstract
BACKGROUND: A non-bifurcating cervical carotid artery (NBCCA) is a rare anatomical variation of the carotid artery which directly arises from the common carotid artery (CCA) without forming a bifurcation. A rare case of an NBCCA associated with middle cerebral artery (MCA) stenosis is reported herein.
CASE DESCRIPTION: A 70-year-old man was admitted to the hospital for fresh infarctions in the left frontoparietal lobe. The angiography imaging showed severe atherosclerotic stenosis in the left MCA associated with an ipsilateral NBCCA. The origin of the left internal carotid artery (ICA) was occluded leaving a stump. A tortuous anastomotic vessel arose from the external carotid artery (ECA) and continued as the cervical ICA. A stent was placed in the left MCA and the patient recovered uneventfully and without further ischemia during follow-up. Embryogenesis and naming considerations are briefly discussed.
CONCLUSIONS: This is the first report of an NBCCA accompanied by ipsilateral MCA stenosis. The name "hypogenesis/agenesis of the proximal ICA" might describe the congenital anatomical variation of an NBCCA more accurately than "non-bifurcating cervical carotid artery".

PMID: 30763749 [PubMed - as supplied by publisher]

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