Abstract
多発性硬膜動静脈瘻の2症例を報告する.症例1は複視を主訴とする73歳女性で,左海綿静脈洞部と左横・S状静脈洞に硬膜動静脈瘻が認められた.脳橋に逆行性静脈還流を呈する海綿静脈洞部の病変に対し経静脈的塞栓術を施行し,逆行性還流を遮断した.症例2は複視を主訴とする75歳の女性で,右静脈洞交会近傍と左海綿静脈洞部に硬膜動静脈瘻を認めた.それぞれ経動脈的塞栓術を施行し,動静脈瘻を閉塞した.多発性硬膜動静脈瘻は硬膜動静脈瘻全体の7〜8%といわれ,逆行性静脈還流を呈するものが多いのが特徴である.血行動態を含めた的確な診断と,迅速な対応が必要である.
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