通过动脉自旋标记的彩色编码灌注方向映射区分大脑前动脉和大脑中动脉灌注
Distinguishing between anterior cerebral artery and middle cerebral artery perfusion by color-coded perfusion direction mapping with arterial spin labeling.
作者信息
Taoka Toshiaki, Iwasaki Satoru, Nakagawa Hiroyuki, Fukusumi Akio, Hirohashi Shinji, Sakamoto Masahiko, Kichikawa Kimihiko, Murata Katsutoshi
机构信息
Department of Radiology, Nara Medical University, Nara, Japan.
出版信息
AJNR Am J Neuroradiol. 2004 Feb;25(2):248-51.
Abstract
The purpose of this study was to evaluate collateral circulation by describing anterior cerebral artery and middle cerebral artery perfusion areas. Pairs of image sets spin labeled on the medial and lateral side were used. A pixel-by-pixel t test was performed, with blue gradation used to display lateral perfusion (ie, middle cerebral artery) and orange gradation for anterior cerebral artery perfusion. Extensions of anterior cerebral artery perfusion areas in cases of middle cerebral artery stenosis were described. This method may aid in estimation of collateral circulation for stroke treatment.
摘要
本研究的目的是通过描述大脑前动脉和大脑中动脉灌注区域来评估侧支循环。使用在内侧和外侧自旋标记的成对图像集。进行逐像素t检验，用蓝色渐变显示外侧灌注（即大脑中动脉），用橙色渐变显示大脑前动脉灌注。描述了大脑中动脉狭窄病例中大脑前动脉灌注区域的延伸情况。该方法可能有助于评估中风治疗中的侧支循环。
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