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AJNR - American Journal of Neuroradiology

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Severe Inflammatory Reaction of the Optic System after Endovascular Treatment of a Supraophthalmic Aneurysm with Bioactive Coils

C.P. Stracke^a, T. Krings^c, W. Möller-Hartmann^a, A. Mahdavi^b and N. Klug^b

^a Department of Radiology, University of Cologne, Cologne, Germany
^b Department of Neurosurgery, University of Cologne, Cologne, Germany
^c Department of Neuroradiology, University Hospital, RWTH Aachen University, Aachen, Germany

View larger version (119K): [in this window] [in a new window]   Fig 1. A, Conventional DSA of the right ICA. The finding is a large supraophthalmic aneurysm (arrowheads) and a second medially cavernous aneurysm (double arrow). D, DSA after coil occlusion of both aneurysms. B, C, E, and F, T2-weighted and T1-weighted contrast-enhanced images 4 days (B and C) and 9 days (E and F) after intervention. MR image at the fourth postinterventional day shows edema in both optic tracts and thickening and signal-intensity elevation in the right optic nerve and chiasm (double arrows in B). C, T1-weighted postcontrast image shows enhancement at the rim of the aneurysm and the chiasm. MR images 9 days postintervention (E and F) show that edema and swelling have regressed, as well as the enhancement.