The prevalence of intracranial aneurysms (IAs) is higher in patients with internal carotid artery (ICA) stenosis. likely due to alterations in intracranial hemodynamics. Severe stenosis or occlusion of one ICA may result in increased demand and altered hemodynamics in the contralateral ICA. thus increasing the risk of contralateral IA formation. https://www.knowall.blog/