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I.緒言
先天性脳動脈瘤は頭蓋内血管形成異常のひとつであり,毛細血管系の介在なしに動静脈間に直接的交通を示すもので,それに関する記載は古く,すでに約100年前,1854年Lushka,1895年Virchowなどにより病理学的に検討されており,脳表在性のものに対する外科侵襲もすでにKrause (1908),Worster (1922),Cushing(1928)などにより報告されている。
本疾患は比較的稀な疾患であり,Olivecrona7)の全脳腫瘍5000例に対し125例を示し,われわれもまた最近まで,全脳腫瘍555例に対しほぼ同率の11例の症例を経験している。本邦の症例は欧米に比し,いまだその数は少ないが,脳血管撮影の普及と脳血管性疾患に対する認識の向上とともに,その数は増加の傾向にある。
The popularization and safety of the cerebral angio-graphy have contributed to the rapid proceeding of the clinical acknowledgement for the cerebrovascular disease.
However the surgical treatments for those diseases were not developed in our country yet.
11 cases of the cerebral arteriovenous aneurysm have been experienced in our clinic. 10 cases of them were procedured by craniotomy.
One case of 7 month aged girl was lost by anes-thetic accident. One case in the posterior fossa was lost by bleeding during procedure. The other 8 cases were totally extirpated with good results.
The thought of the treatment for this disease has been conservative one up to recently.
The usefulness of the total removal of arterio-venous aneurysm was asserted in this report.
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