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Ⅰ.はじめに
脳底動脈のnormal variationに関する論文は,比較的多く,外国ではTaveras & Wood(1964)15),Krayenbuhl & Yasargil(1968)8),Scialfa(1976)13)などや,国内では足立,長谷川(1928)6より引用),向井(1961)10),亀山(1961)5)などが代表的なものである.しかし多くは,剖検例によるものや,レ線学的検討であっても部分的なものが多い.著者は,臨床診断に役立てる目的で通常もちいられている椎骨動脈撮影写真上で,脳底動脈の正常走行の検討を行った.
Topometric study of basilar arteries was performed, using 130 normal vertebral angiograms of cases consisting of 83 males and 47 females aged 2 to 67 (mean=38.1). The cases having clinically and/or neuroradiologically had obvious positive findings such as cerebral atrophies, cerebrovascular diseases and space-taking lesions were excluded.
Selective vertebral angiography using Seldinger's technique in 120 cases and retrograde brachial angiography in remaining 10 cases was carried out.
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