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血泡样动脉瘤常发生在颈内动脉床突上段未分叉部位,体积微小,直径一般小于10 mm,其血管壁仅有外膜,缺乏有弹性的内膜和中膜,其病因机制尚不明确,临床上诊断、治疗比较困难,复发率高,病死率高,目前尚没有统一的治疗方案.文章就血泡样动脉瘤的病因、病理学、形态学、诊断及治疗等现状作一综述.“,”Blood blister like aneurysm often occurs in the unbranched part of the upper segment of the internal artery, which is small in size and is generally less than 10 mm in diameter. Its vascular wall is only an outer membrane, and there is a lack of elastic intima and middle membrane. Its etiological mechanism is not clear, the diagnosis and treatment are difficult, the recurrence rate is high, and the mortality rate is high, and there is no unified treatment at present. This article reviews the etiology, pathology, morphology, diagnosis and treatment of blood blister like aneurysms.