An uncommon case of spontaneous resolution of mural thrombus causing symptomatic severe stenosis of the extracranial part of the internal carotid artery.

Objectives: Etiology of ischemic stroke(IS) remains sometimes unexplained in younger subjects. Its well-known causes are atherosclerosis(AS), embolization, arterial dissection, congenital defects, vasculitides, smoking, use of oral contraceptives, coagulopathy and arterial dissection, or vasospasm.

Case Report: A 54-year old male subject was examined because of motor disturbance in his left upper extremity.