Neurosonology:神経超音波医学
Print ISSN : 0917-074X
ISSN-L : 0917-074X
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頸部血管エコー検査と4D-CT angiographyにより後頭・椎骨動脈吻合を同定しえた総頸動脈閉塞の1例
篠原 健介清水 高弘柳澤 俊之佐々木 直赤松 真志原 大祐小倉 英中村 尚生千葉 清宮入 剛長谷川 泰弘
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2016 年 29 巻 3 号 p. 181-184

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A 71-year-old woman was admitted to our hospital with an acute Stanford type A aortic dissection. She underwent tricuspid valve plasty and ascending aorta repair. On day 7 she presented with aphasia. Brain computed tomography (CT) revealed a low-density area in the left frontal lobe. Carotid Doppler ultrasonography disclosed that the left common carotid artery was occluded up to a point just proximal to the carotid bifurcation, and retrograde flow was seen from the external carotid artery (ECA) to the internal carotid artery via the carotid bifurcation. These findings suggested a collateral anastomosis between the ECA and the vertebral artery. Four-dimensional CT angiography is sufficiently effective for evaluation of occipital-vertebral anastomosis.

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© 2016 日本脳神経超音波学会
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