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颅内动脉瘤是脑出血、蛛网膜下腔出血的主要原因之一。颅内动脉瘤早期约20%的患者有眼部表现,急性瞳孔扩大是其重要体征之一。眼科医生对这一体征的及早识别有可能使患者得到及时救治,并挽救生命。本文从解剖学、病因学、诊断学等方面复习了单眼瞳孔急性扩大的各种可能及病理情况,特别强调了单眼急性瞳孔扩大与颅内动脉瘤的关系及临床意义。
Intracranial aneurysm is one of the main causes of cerebral hemorrhage and subarachnoid hemorrhage. About 20% of patients with intracranial aneurysm early have eye performance, acute pupil enlargement is one of the important signs. Ophthalmologists early identification of this sign may make patients get timely treatment and save lives. This article reviews various possible and pathological conditions of acute enlargement of single pupil from the aspects of anatomy, etiology and diagnosis, with particular emphasis on the relationship and clinical significance of single-eye acute pupil dilation and intracranial aneurysm.