AJDRAJNR - American Journal of Neuroradiology

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Figure 3


Fig 3. Example of angiographic occlusion classes 1, 2, and 3: class 1, complete occlusion; class 2, persistence of any portion of the original defect of the arterial wall as seen on any single projection but without opacification of the aneurysm sac; and class 3, aneurysm sac opacification.





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Copyright © 2009 by the American Society of Neuroradiology. Print ISSN: 0195-6108 Online ISSN: 1936-959X