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Ⅰ.はじめに
椎骨脳底動脈領域の動脈領瘤は頭蓋内動脈瘤の5%前後を占めるとされており10,14),くも膜下出血で発症する場合と,後頭蓋窩腫瘍の症状をもって発症する場合がある.しかし近年椎骨動脈撮影の普及に伴って,この部の動脈瘤が発見される機会が増加している.
一方,Wallenberg症候群は,比較的高齢者に多く,閉塞性血管性障害によるものが大部分である.我々は,20歳の男性に1血管性障害と考えられる様式で発症し,椎骨動脈撮影により右椎骨動脈瘤が発見された同症候群の不全型を経験したので,その症例を呈示し本例における同症候群の発症機転について考察を加える.
A case of lateral medullary syndrome in a patient with vertebral artery aneurysm was described in this report.
A 20-year-old man was admitted to the 2nd Department of Internal Medicine, Kyushu University Hospital, for evaluation of his neurological symptoms. One and a half months prior to admission, he suddenly became unable to stand in the train, and then developed nausea and vomiting. He had thickness of speech, difficulty in swallowing and numbness on the right half of the face. Ptosis and anhyclrosis of the face were also noted on the right.
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