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I.はじめに
大動脈炎症候群は,大動脈弓および主幹動脈,肺動脈などの後天的非特異性炎症のために生じた血管狭窄・閉塞あるいは拡張に起因する諸症候の総称であり,脈なし病はその大動脈弓型とされている9,11).本症に合併する脳血管病変は主として閉塞性病変であり5),出血性病変,ことに脳動脈瘤についての報告は極めて稀であり,現在までに6例1,2,4,8,10)を数えるにすぎない.
最近われわれは,発症以来20年を経過したと考えられる大動脈炎症候群の長期経過例に,破裂右前大脳動脈瘤および副中大脳動脈を合併した1例を経験した.そこで自験例を呈示し,本症における脳動脈瘤の発生機転につき若干の考察を加えて報告する.
The authors reported a rare case in which a ruptured cerebral aneurysm was associated with aortitis syndrome. Documenting our case, possible mechanisms in the deve-lopment of a cerebral aneurysm in such a condition were discussed.
A 38-year-old woman was admitted to Matsuyama Shimin Hospital, complaining of disorientation and motor weakness on April 27, 1981. Eleven days prior to entry, she had an episode of unconsciousness, severe headache and vomiting, which improved well on the following day. She had been suffered from cardiomegalia, hypertension, predominantly in the right arm, and giddiness attacks for those twenty years.
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