摘要基底动脉尖综合征（Top of the basilar syndrome,TOBS）是一种特殊类型的缺血性脑血管疾病,最早由Caplan在1980年提出[1]。TOBS是各种病因所致的以基底动脉顶端为中心直径2 cm范围内的双侧大脑后动脉,双侧小脑上动脉和基底动脉顶端交叉部位的血液循环障碍而引起的一组临床综合征。
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