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大脑中动脉(MCA)缺少侧支循环,不可逆性阻塞可引起致命性脑梗塞。早期曾认为大脑中动脉动脉瘤(MCAA)为手术禁忌。目前虽然很少MCAA不能手术,但与Willis环前半部动脉瘤相比,MCAA在处理上仍很棘手。作者对561例690个MCAA的解剖特点和预后进行了分析。
Middle cerebral artery (MCA) lack of collateral circulation, irreversible obstruction can cause fatal cerebral infarction. Earlier thought that the middle cerebral artery aneurysm (MCAA) for surgery taboo. Although at present little MCAA is inoperable, MCAA is still trickier to handle than the Willis anterior ring aneurysm. The authors analyzed the anatomical features and prognosis of 561 patients with 690 MCAA.