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AJNR - American Journal of Neuroradiology

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Long-Term 3T MR Angiography Follow-Up after Therapeutic Occlusion of the Internal Carotid Artery to Detect Possible de Novo Aneurysm Formation

A.N. de Gast^a, M.E. Sprengers^b, W.J. van Rooij^a, C. Lavini^b, M. Sluzewski^a and C.B. Majoie^b

^a Department of Radiology, St. Elisabeth Ziekenhuis, Tilburg, the Netherlands
^b Department of Radiology, Academisch Medisch Centrum, Amsterdam, the Netherlands

View larger version (85K): [in this window] [in a new window]   Fig 1. A, Additional 1.7-mm anterior communicating artery aneurysm (arrow) in a 71-year-old woman with a giant right cavernous sinus aneurysm treated with carotid artery occlusion. B, MRA 28 months after carotid artery occlusion demonstrates unchanged size (arrow).

View larger version (59K): [in this window] [in a new window]   Fig 2. A, Left internal carotid angiogram at the time of right internal carotid artery occlusion for a giant ophthalmic aneurysm in a 43-year-old woman shows additional small mirror ophthalmic aneurysm with a wide neck (arrow). B, MRA maximum-intensity-projection image after 27 months demonstrates unchanged size (arrow). C, MRA source image after 27 months demonstrates unchanged size (arrow).