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Indian J Radiol Imaging. 2011 Oct;21(4):257-60. doi: 10.4103/0971-3026.90682.

Bilateral hypoplasia of the internal carotid artery.

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Department of Neurosurgery, National Institute of Mental Health and Neurosciences, Bangalore, India.


Agenesis and hypoplasia of the internal carotid artery (ICA) are rare congenital anomalies, occurring in less than 0.01% of the population. We report a rare case of bilateral hypoplasia of the ICA in a patient with post-traumatic subarachnoid hemorrhage. We describe the embryological development of the cerebral vasculature and present a review of literature.


Agenesis; aortic arches; developmental anomaly; hypoplasia; internal carotid artery

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