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椎骨動脈解離の臨床と画像診断
Bibliographic Information
- Other Title
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- Clinical and Radiological Features of Vertebral Artery Dissection
- ツイコツ ドウミャク カイリ ノ リンショウ ト ガゾウ シンダン
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Description
論文(Article)
椎骨動脈解離は稀な病態であり、重篤なクモ膜下出血をおこすと信じられていた。私どもは、Wallenberg症候群の過半数が椎骨動脈解離を原因としているばかりでなく、椎骨・脳底動脈系の虚血性疾患においても頻度が高い病態であることを明らかにした。なかには症状に乏しいかあるいは全く症状のない例も確認され、このような軽症例はこれまで見過ごされていた可能性が高い。椎骨動脈解離はありふれた病態と考えられるが、臨床的に疑われない限り確実な診断は得られない。現状ではMR 検査や血管造影が唯一の確定診断法であり、確実に診断するには臨床経過を考慮した質の高い検索が要求されるからである。診断に際しては臨床像から椎骨動脈解離を疑うことが最も重要であり、突然発症する片側性の後頸部~後頭部痛や契機となるささいな外傷が診断の手がかりになる。また、後頭蓋窩の血管性病変においては常に椎骨動脈解離を念頭に置くべきであろう。 キーワード:椎骨動脈、動脈解離、MRI、血管造影、脳卒中
It had been believed that vertebral artery dissection was a rare and dangerous clinical condition because it caused subarachnoid hemorrhage resulting in death. Our observations suggested that vertebral artery dissection was not only the most frequent cause of Wallenberg syndrome,but also a frequent cause of vertebrobasilar ischemic strokes.Actually some patients presented no or only minor symptoms. There is much possibility that intracranial vertebral artery dissection presenting in other than a serious illness has been overlooked. Vertebral artery dissection is probably common disease, however, we scarcely obtain a correct diagnosis of vertebral artery dissection, if it is not suspected clinically. MR examination or angiography, which is the only method to confirm vertebral artery dissection,requires a high quality of imaging according to the course of clinical status for the definite diagnosis. It is important to suggest vertebral artery dissection clinically, and so physicians should keep in mind that such patients usually complain of unilateral occipital headache and/or posterior neck pain with a sudden onset, or frequently suffer minor or trivial trauma. Vertebral artery dissection should be also considered as a cause of vascular disease in the posterior fossa. Key words : Vertebral artery, artery dissection, MRI, angiography, stroke
Journal
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- 山形大学紀要. 医学 : 山形医学 = Bulletin of the Yamagata University. Medical science : Yamagata medical journal
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山形大学紀要. 医学 : 山形医学 = Bulletin of the Yamagata University. Medical science : Yamagata medical journal 20 (2), 87-97, 2002-08-15
山形大学
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Keywords
Details 詳細情報について
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- CRID
- 1050564288439692416
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- NII Article ID
- 110000177962
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- NII Book ID
- AN00067279
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- ISSN
- 0288030X
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- NDL BIB ID
- 6325785
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- Text Lang
- ja
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- Article Type
- departmental bulletin paper
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- Data Source
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- IRDB
- NDL Search
- CiNii Articles