Agenesis of the ICA with a Contralateral Cavernous-Supraclinoid Anastomotic Vessel
Congenital agenesis of an ICA is exceptionally rare. Survival requires remodeling of the intracranial vasculature, with several classic vascular patterns and anastomoses having been recognized in the literature. We present a patient with ICA agenesis who exhibited a distinctive anastomotic
vessel extending from the contralateral cavernous carotid artery directly to the supraclinoid ICA on the affected side, a finding only documented in a handful of patients with this already rare condition.
Keywords: ACA = anterior cerebral artery; AcomA = anterior communicating artery
Document Type: Research Article
Publication date: October 1, 2022
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