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AJNR - American Journal of Neuroradiology

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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

View larger version (120K): [in a new window]   FIG 1. Standard roll rotational angiography mode. C-arm is placed perpendicular to the head axis (top). Range of rotational angiography extends over 180° (right oblique 90°, left image, and left oblique 90°, right image).

View larger version (114K): [in a new window]   FIG 2. Propeller rotational angiography mode. C-arm remains in the same position as with conventional angiography (top). Range of rotational angiography extends over 240° (right oblique 120°, left image, and left oblique 120°, right image).