Neurological Surgery 脳神経外科52巻5号

2024年09月発行

特集 くも膜下出血のニューフロンティア—病態の再考と治療の進化 Ⅱ 破裂脳動脈瘤の病態—脳動脈瘤はなぜ破裂するのか？

脳動脈瘤に関する画像診断の最新事情

著者： 面高俊介¹ 遠藤英徳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.938 - P.944

Point
・血管壁イメージングMRIにおいて，未破裂瘤に比べ破裂瘤でより強い瘤壁造影効果を有することが明らかとなっている．
・破裂瘤の強い瘤壁造影効果は，多発瘤合併くも膜下出血のみならず，微小動脈瘤や脳動静脈奇形における出血源診断にも応用できる可能性がある．
・未破裂瘤における瘤壁造影効果は，破裂の危険因子や治療介入後の再発予測因子として注目されている．

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