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三维数字血管造影术:用于在旋转血管造影期间同时对血管和骨信息进行三维呈现的新工具。

Three-dimensional digital angiography: new tool for simultaneous three-dimensional rendering of vascular and osseous information during rotational angiography.

作者信息

Gailloud Philippe, Oishi Satoru, Carpenter Jeffrey, Murphy Kieran J

机构信息

Division of Interventional Neuroradiology, the Johns Hopkins Medical Institutions, Baltimore, MD, USA.

出版信息

AJNR Am J Neuroradiol. 2004 Apr;25(4):571-3.

Abstract

Three-dimensional (3D) digital subtraction angiography (DSA) is the latest development in the neurovascular imaging armamentarium. 3D-DSA combines the anatomic resolution of DSA with 3D visualization abilities previously offered by only CT or MR angiography. 3D-DSA provides more detailed information than does DSA alone in the evaluation of neurovascular lesions, such as cerebral aneurysms. However, the inability of 3D-DSA to simultaneously image osseous and vascular structures is noted as a weakness of this technique compared with CT angiography. We describe a new 3D digital angiography reconstruction algorithm that allows the concurrent display of the cerebral vasculature and the osseous landmarks.

摘要

三维(3D)数字减影血管造影(DSA)是神经血管成像设备中的最新进展。3D-DSA将DSA的解剖分辨率与以前仅由CT或MR血管造影提供的3D可视化能力相结合。在评估神经血管病变(如脑动脉瘤)时,3D-DSA比单独的DSA提供更详细的信息。然而,与CT血管造影相比,3D-DSA无法同时成像骨骼和血管结构被认为是该技术的一个弱点。我们描述了一种新的3D数字血管造影重建算法,该算法允许同时显示脑血管系统和骨性标志。

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