頭蓋外動脈解離による虚血性脳卒中の抗血栓療法アルゴリズム

椎骨動脈血管撮影所見（pearl and string sign）

頭蓋内椎骨動脈にpearl （矢印）and string（矢頭） signを認める
出典
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1: Vertebral artery dissection presenting as acute cerebrovascular accident.
著者: Kratz SN, Butler KH.
雑誌名: J Emerg Med. 2011 Feb;40(2):151-7. doi: 10.1016/j.jemermed.2007.11.039. Epub 2008 Jun 2.
Abstract/Text: Vertebral artery dissection is a lesser known but significant cause of stroke in young, healthy people. Given its infrequency of presentation, emergency physicians may not always recognize its common symptoms--vertigo, diplopia, ataxia, and dysarthria--as a stroke. In this case report, we describe a patient with vertebral artery dissection presenting with atypical symptoms and discuss the epidemiology, risk factors, presentation, clinical examination findings, imaging modalities, and treatment of this disease.

Copyright © 2011. Published by Elsevier Inc.
J Emerg Med. 2011 Feb;40(2):151-7. doi: 10.1016/j.jemermed.2007.11.039...

頭蓋内椎骨動脈解離のMR（壁内血栓）および血管撮影所見

a:拡散強調画像
b:T2強調画像
c:T1強調画像
d:血管撮影
Patient 1～3では壁内血栓がT1強調画像で三日月状に高信号として認められている、Patient 4では椎骨動脈撮影で紡錘状の拡張が認められる。

頭蓋内椎骨動脈解離のMR所見

a: T1強調画像で高信号の壁内血栓（矢頭）
b: MRAで左椎骨動脈の閉塞と高信号な壁内血栓（矢印）
c:BPASで拡張した左椎骨動脈 ( double arrow )

頭蓋外動脈解離による虚血性脳卒中の抗血栓療法アルゴリズム

椎骨動脈血管撮影所見（pearl and string sign）

頭蓋内椎骨動脈にpearl （矢印）and string（矢頭） signを認める
出典
imgimg
1: Vertebral artery dissection presenting as acute cerebrovascular accident.
著者: Kratz SN, Butler KH.
雑誌名: J Emerg Med. 2011 Feb;40(2):151-7. doi: 10.1016/j.jemermed.2007.11.039. Epub 2008 Jun 2.
Abstract/Text: Vertebral artery dissection is a lesser known but significant cause of stroke in young, healthy people. Given its infrequency of presentation, emergency physicians may not always recognize its common symptoms--vertigo, diplopia, ataxia, and dysarthria--as a stroke. In this case report, we describe a patient with vertebral artery dissection presenting with atypical symptoms and discuss the epidemiology, risk factors, presentation, clinical examination findings, imaging modalities, and treatment of this disease.

Copyright © 2011. Published by Elsevier Inc.
J Emerg Med. 2011 Feb;40(2):151-7. doi: 10.1016/j.jemermed.2007.11.039...