Multiple intracranial arterial stenosis-occlusion——report of 17 cases

Multiple intracranial arterial stenosis-occlusion is not uncommon.Seventeen cases demonstrated by unilateral or bilateral carotid arteriography were reported in this article.The patients（15 males,2 females）aged 5-54 Years with an average of 34.9 Years.The etiology,collateral circulation,nomenclature and therapy of this condition were discussed in the paper.