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本文分析7例小脑桥脑角肿瘤经选择性导管法椎动脉造影的血管改变,主要为基底动脉侧移,惠侧小脑上功脉脚间-脚段与环中脑段向内上移位,伴边缘支和半球支伸长拉直,小脑后下动脉向内下及向后移位,大脑后动脉近段向内上移位等。其中以小脑上动脉脚间-脚段的抬高、内移为最主要而特异的征象,且是鉴别脑内外占位病变的特有征象。并简要复习后颅窝动脉的正常X线解剖。
This article analyzes seven cases of cerebellar pontine brain tumor by selective catheter vertebral artery angiography, mainly for the lateral movement of the basilar artery, the benefit side of the cerebellar superior meridian foot-to-foot and the ring in the middle of the brain shift, With the edge of the branch and the hemispheric branch straight stretch, posterior inferior cerebellar artery and backward shift, posterior cerebral artery proximal shift. In which the superior cerebellar artery - foot segment elevation, internal movement as the most important and specific signs, and is to identify the brain lesions outside the unique signs. And a brief review of the normal cranial arteries X-ray anatomy.