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CC BY-NC-ND 4.0 · Journal of Clinical Interventional Radiology ISVIR 2017; 01(01): 049-052
DOI: 10.1055/s-0036-1597952
Case Report
Indian Society of Vascular and Interventional Radiology

Left Common Carotid Artery Agenesis with Hypoplastic Left Internal Carotid Artery Originating from the Aortic Arch: A Rare Anomaly Presenting with Internal Carotid Artery Aneurysm and Subarachnoid Hemorrhage

Mandeep S. Ghuman
1   Department of Radiodiagnosis and Neurosurgery, Postgraduate Institute of Medical Education and Research, Chandigarh, India
,
Vivek Gupta
1   Department of Radiodiagnosis and Neurosurgery, Postgraduate Institute of Medical Education and Research, Chandigarh, India
,
Shankhneel Singh
1   Department of Radiodiagnosis and Neurosurgery, Postgraduate Institute of Medical Education and Research, Chandigarh, India
,
S. Dhandapani
2   Department of Neurosurgery, Postgraduate Institute of Medical Education and Research, Chandigarh, India
,
N. Khandelwal
1   Department of Radiodiagnosis and Neurosurgery, Postgraduate Institute of Medical Education and Research, Chandigarh, India
› Author Affiliations
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Publication History

Publication Date:
28 July 2017 (online)

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Abstract

Most arch anomalies are asymptomatic and detected incidentally on imaging or on autopsy. Occasionally, such anomalies can manifest clinically when associated with another vascular pathology such as an intracranial aneurysm. In this report, we describe a rare case of agenesis of the left common carotid artery with separate origin of the left internal carotid artery and the external carotid artery from the arch discovered on digital subtraction angiography performed during the evaluation of subarachnoid hemorrhage. Knowledge of such anomalies and radiographic appearance is essential for interventional neuroradiologist in planning treatment of such cases.

Keywords

CCA agenesis - Hypoplastic ICA - arch of aorta - subarachnoid hemorrhage
 

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