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当前学科：脑血管疾病
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女性，70岁，1天前突然出现剧烈头痛和呕吐、检查：颈项强直，Kernig征阳性、全脑血管造影见前交通动脉有一梨形带蒂影、最可能是（）
A . 动静脉畸形
B . 动静脉瘘
C . 动脉瘤
D . 蛛网膜囊肿
E . 烟雾病
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