Gailloud Philippe, Oishi Satoru, Carpenter Jeffrey, Murphy Kieran J
Division of Interventional Neuroradiology, the Johns Hopkins Medical Institutions, Baltimore, MD, USA.
AJNR Am J Neuroradiol. 2004 Apr;25(4):571-3.
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.
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。