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腦動脈撮影上 Sylvius點의 正常位置에 關한 硏究 A Study on the Normal Position of Angiographic Sylvian Point

대한신경외과학회지 1977년 6권 2호 p.281 ~ 286
지선호,
소속 상세정보
지선호 (  ) 
이화여자대학교 의과대학 신경외과학교실

Abstract


A method for determining the normal. position of the angiographic sylvian point , the lateral angiographic projection has been devised by author. The position of the angiographic sylvian point has been determined by the angle between two lines from the anterior clinoid process to internal occipital protuberance and to angiographic sylvian point, and the quotient of the measured distance from the anterior clinoid process to angiographic sylvian point to that from the anterior clinoid process to inner table of parietal bone. The 95% confidence limits for mean value of the angle are 50.09±0.90° and of the quotient 0:47±0.008. The angiographic sylvian point seems to become lower with advancing age, but remains stationary after growth is completed. The quotient value calculated is independent of skull dimensions. It is assumed that the author´s method for estimating the position of the angiographic sylvian point is relatively accurate since the position is determined by the dual components of angle and quotient.

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