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I.はじめに
小脳は側副血行が豊富なため,虚血症状を呈しにくく小脳梗塞の発生頻度は稀とされてきた.しかしながら最近,画像診断技術の改善などにより本症の発見率は増加し報告も多く見られる様になった.小脳梗塞には症状が軽微で偶然CTスキャンで発見されるものから,梗塞に伴う広汎な浮腫により脳幹を圧迫するもの,さらには脳幹梗塞を併発し急激に死の転帰をたどるものがみられる.今回,われわれは小脳梗塞を33例経験したのでその病態,治療法などについて検討を加え報告する.
During the past 9 years and 2 months we have en-countered 33 cases with cerebellar infarction. These pa-tients were classified into 3 types according to their cli-nical course. Type 1 (18 cases); The course was be-nign, and symptoms and signs improved without sur-gical treatment. Type 2 (11 cases); The course was progressive with deterioration of consciousness be-tween 24-72 hours after the onset. Type 3 (4 cases); The course was rapid resulting in lapse into coma with-in it few hours. Also, its prognosis was fatal due to coexisting brain-stem infarction regardless of any treat-ment.
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