In [[1787]], Tode documented the first case of [[internal carotid artery agenesis]], identifying it on postmortem examination. In [[1954]], the first case of [[internal carotid artery agenesis]] at [[cerebral angiography]] was reported by Verbiest ((Kumaresh A, Vasanthraj PK, Chandrasekharan A. Unilateral agenesis of internal carotid artery with intercavernous anastomosis: a rare case report. J Clin Imaging Sci. 2015 Jan 30;5:7. doi: 10.4103/2156-7514.150453. eCollection 2015. PubMed PMID: 25806142; PubMed Central PMCID: PMC4322372. )).