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AJNR - American Journal of Neuroradiology

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Elastase-Induced Aneurysms in Rabbits: Effect of Postconstruction Geometry on Final Size

M. Onizuka^a, L. Miskolczi^b, M.J. Gounis^d, J. Seong^c, B.B. Lieber^b,c and A.K. Wakhloo^d

^a Department of Neurosurgery, Fukuoka University Chikushi Hospital, Fukuoka, Japan
^b Center for Neuroendovascular Surgery and Stroke Research, Department of Radiology, Miller School of Medicine, Miami, Fla
^c Department of Biomedical Engineering, University of Miami, Miami, Fla
^d Division of Neuroimaging and Intervention, Department of Radiology, University of Massachusetts Medical School, Worcester, Mass

View larger version (103K): [in a new window]   Fig 1. Angiogram shows the right common carotid artery after elastase incubation. The arrow indicates the proximal origin of the common carotid artery.

View larger version (102K): [in a new window]   Fig 2. Three-week follow-up angiogram after creation of the aneurysm. a, dome diameter, b, dome height, c, neck width.

View larger version (61K): [in a new window]   Fig 3. Illustration shows the angle between innominate artery and the aneurysm. A, Original nonsubtracted angiogram. B, Skeleton image. C, Skeleton image with center line. D, Angle between the parent artery and the aneurysm neck