Posterior circulation approach for anterior circulation thrombectomy in a patient with dysgenetic internal carotid artery Somenath Chatterjee1, Karthikeyan Vanchilingam2, Siddhartha Wuppalapati1, Hemant Sonwalkar1, Abhijit Das3


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Posterior circulation approach for anterior circulation thrombectomy in a patient with dysgenetic internal carotid artery Somenath Chatterjee¹, Karthikeyan Vanchilingam², Siddhartha Wuppalapati¹, Hemant Sonwalkar¹, Abhijit Das³ ¹ Department of Radiology, Lancashire Teaching Hospitals NHS Trust, Royal Preston Hospital, Sharoe Green Lane, Preston PR2 9HT, United Kingdom ² Department of Interventional Neuroradiology, Institute of Neurological Sciences, Queen Elizabeth University Hospital, 1345 Govan Road, Glasgow G51 4TF, United Kingdom ³ Department of Neurology, The Walton Centre NHS Foundation Trust, Lower Lane, Liverpool, L9 7LJ, United Kingdom Correspondence Address: Abhijit Das, Department of Neurology, The Walton Centre NHS Foundation Trust, Lower Lane, Liverpool, L9 7LJ United Kingdom Source of Support: None, Conflict of Interest: None DOI: 10.4103/aian.aian_22_22

Dysgenesis of the internal carotid artery is a rare congenital variation that is mostly asymptomatic. The key to the imaging diagnosis is the identification of a narrow bony carotid canal. Dysgenetic carotid is a hindrance for endovascular access for ipsilateral intracranial anterior circulation, timely identification and differentiation from collapsed ICA secondary to intracranial occlusion can help guide timely access to mechanical thrombectomy via embryonic collateral routes which are usually prominent in those individuals. We describe a patient with hyperacute ischemic stroke with middle cerebral artery occlusion with the similar anatomic variation of ipsilateral internal carotid artery treated with mechanical thrombectomy using posterior circulation access from vertebral artery bridging to anterior circulation across posterior communicating artery after timely recognition of the anomaly.

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    -  Chatterjee S
    -  Vanchilingam K
    -  Wuppalapati S
    -  Sonwalkar H
    -  Das A

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