Bilateral internal carotid artery agenesis with artery compression of the brain parenchyma

被引:11
|
作者
Sun, Jihong [1 ]
Jiang, Dingyao [1 ]
Zhang, Shizheng [2 ]
机构
[1] Zhejiang Univ, Sch Med, Affiliated Hosp 2, Dept Radiol, Hangzhou 310009, Zhejiang, Peoples R China
[2] Zhejiang Univ, Sch Med, Sir Run Run Shaw Hosp, Dept Radiol, Hangzhou 310009, Zhejiang, Peoples R China
关键词
carotid artery; agenesis; magnetic resonance imaging; magnetic resonance angiography; computer tomography;
D O I
10.1016/j.jns.2008.05.007
中图分类号
R74 [神经病学与精神病学];
学科分类号
摘要
Bilateral internal carotid artery (ICA) agenesis is an extremely rare congenital anomaly. The most common type of collateral circulation is developed through the circle of Willis via the basilar and posterior communicating arteries. Both anterior circulations are usually supplied by enlarged posterior communicating arteries (PCOMs). We present an unusual case of bilateral ICA agenesis, which is associated with dolichoectatic left PCOM and left posterior cerebral artery (PCA) compression of left basal ganglia and thalamus. These complex cerebral and vascular anomalies can be noninvasively revealed and evaluated by CT and MR. (C) 2008 Elsevier B.V. All rights reserved.
引用
收藏
页码:191 / 193
页数:3
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