Bodhey, NKGupta, AKVarma, DRSonwalkar, HAPurkayastha, S2017-03-102017-03-10200417 ,5;664-667https://dspace.sctimst.ac.in/handle/123456789/9536We report an unusual case of complete agenesis of the right internal carotid artery (ICA) with transsellar anastomosis from the cavernous segment of the contralateral ICA and presence of a posterior cerebral artery aneurysm and aberrant origin of the right subclavian artery.Neurosciences & Neurology; Radiology, Nuclear Medicine & Medical ImagingCT angiographic demonstration of agenesis of the internal carotid artery with transsellar cavernous collateral and PCA aneurysm