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AJNR - American Journal of Neuroradiology

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American Journal of Neuroradiology 26:163-165, January 2005
© 2005 American Society of Neuroradiology

Technical Note
BRAIN

3D Rotational Angiography: Use of Propeller Rotation for the Evaluation of Intracranial Aneurysms

Jean-Yves Gauvrit^a, Xavier Leclerc^a, Maximilien Vermandel^b, Boris Lubicz^a, David Despretz^d, Jean-Paul Lejeune^c, Jean Rousseau^b and Jean-Pierre Pruvo^a

^a Department of Neuroradiology, Salengro Hospital, University of Lille, France
^b Medical Technology Institute, Salengro Hospital, University of Lille, France
^c Department of Neurosurgery, Salengro Hospital, University of Lille, France
^d Philips Medical System, Suresnes, France

Address reprint requests to J. Y. Gauvrit, MD, Service de Neuroradiologie, Hôpital Roger Salengro, Rue Emile Laine, 59037 Lille Cedex France

Summary: We compared two methods of 3D digital subtraction angiography (DSA)—propeller and standard rotation—for the assessment of aneurysmal morphology and its relation to neighboring vessels. Aneurysms were correctly visualized and localized with both techniques. 3D DSA with propeller rotation technique seems to be effective and allows us to reduce the amount of contrast material related to a shortened acquisition time. Technical progress including propeller rotation allows a larger range of rotation and faster rotational speeds.

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