大部分颈动脉血栓在粥样硬化病变如狭窄或溃疡的基础上形成,并最终导致颈动脉闭塞或(和)血栓性栓塞。少数病例没有确切的颈动脉病变,血栓形成的原因不明,可能是多因素如癌症或口服避孕药引起的高凝状态所致。我们发现3例颈动脉血栓患者伴有严重缺铁性贫血和血小板增多症,因此认为它们之间可能有关系。3例患者均为女性,有月经过多伴严重缺铁 Most carotid artery thrombi are formed on the basis of atherosclerotic lesions such as stenosis or ulceration and eventually lead to carotid artery occlusion or (and) thromboembolism. In a few cases, there is no exact carotid artery disease, and the cause of thrombosis is unknown, possibly due to the hypercoagulable state of many factors such as cancer or oral contraceptives. We found that 3 patients with carotid artery thrombosis with severe iron deficiency anemia and thrombocythemia, so that they may be related. 3 patients were female, with severe menarche with iron deficiency