Anatomic and clinical correlations of the lenticulostriate arteries
Anatomic and clinical correlations of the lenticulostriate arteries
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DOI：
10.1002/ca.1032
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发表时间：
2001-01-01
期刊：
影响因子：
2.4
通讯作者：
Cetkovic, M
中科院分区：
文献类型：
--
作者：
Marinkovic, S;Gibo, H;Cetkovic, M
作者对32例大脑中动脉(MCA)区脑梗塞患者的48条大脑中动脉(MCA)管型的豆纹(穿)动脉进行了检查，并对其进行了MRI或CT检查。豆纹动脉的数量从2到12个不等，大小从80微米到1400微米不等。70.8%的神经起源于大脑中动脉的主干、终干、分叉点和/或软脑膜支。在7个解剖标本上观察到穿支供血区域的极端变异。除内囊的基底节、膝部和前肢外，豆纹动脉似乎仅供应内囊后肢上部的吻部。患者表现为豆纹动脉全部闭塞、单个动脉闭塞或仅有小枝闭塞。这些动脉的完全闭塞导致了一个巨大的中央半球梗塞。闭塞单个动脉最常引起大的神经节细胞包膜梗塞。作者得出结论，腔隙梗死通常发生在豆纹动脉的末端或侧支闭塞之后。(C)2001年Wiley-Liss，Inc.
The authors examined the lenticulostriate (perforating) arteries in the vascular casts of 48 middle cerebral arteries (MCA), as well as in the MRI or CT scans of 32 patients with cerebral infarcts in the MCA territory. The lenticulostriate arteries ranged between two and 12 in number, and from 80 mum to 1,400 mum in size. They originated from the main trunk, terminal trunks, bifurcation site, and/or leptomeningeal branches of the MCA, either separately or from common trunks (70.8%). The extreme variations of the supplying region of the perforators were noted in seven anatomic specimens. Ln addition to the basal ganglia, the genu, and the anterior limb of the internal capsule, the lenticulostriate arteries seemed to supply only the rostral portion of the superior part of the posterior limb of the capsule. The patients presented with occlusion of all the lenticulostriate arteries, individual arteries, or only their twigs. Complete occlusion of these arteries resulted in a huge central hemispheric infarct. Occlusion of an individual artery most often caused a large ganglionic-capsular infarct. The authors concluded that the lacunar infarcts usually follow occlusion of a terminal or a side branch of the lenticulostriate arteries. (C) 2001 Wiley-Liss, Inc.