Neurological Surgery 脳神経外科43巻4号

2015年04月発行

連載 脳卒中専門医に必要な基本的知識

（9）無症候性脳血管障害

著者： 新妻邦泰¹ 冨永悌二¹

所属機関： ¹東北大学大学院医学系研究科神経外科学分野

ページ範囲：P.357 - P.368

Ⅰ．はじめに
　画像診断装置の普及や，わが国独自の診療形態である脳ドックの発達などから，無症候性脳血管病変が発見されることが多くなってきた．無症候性であるがゆえにデータの収集が難しく，未だにエビデンスが十分であるとはいえないが，最近は報告が蓄積されてきた．ここでは無症候性脳梗塞，大脳白質病変，無症候性脳出血，無症候性頭蓋内および頭蓋外主幹動脈狭窄/閉塞，無症候性脳動静脈奇形（arteriovenous malformation：AVM），未破裂脳動脈瘤に分けて，既存のガイドラインよりも後に報告された事項を加味して概説する．

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