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. 2013 May;34(5):935–939. doi: 10.3174/ajnr.A3547

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© 2013 by American Journal of Neuroradiology

Indicates open access to non-subscribers at www.ajnr.org

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Fig 2. — Incomplete angiographic occlusion and remaining mass effect following FD treatment. A, A large bilobulated paraophthalmic aneurysm (arrows) causing optic nerve compression as demonstrated by DSA, lateral view. B, DSA, lateral view 6 months after PED treatment. The arrow indicates residual filling in the lower lobule of the aneurysm. C, T2WI shows mixed signal intensity inside the aneurysm (arrow) before treatment. The patient's visual acuity was 0.2. D, T2WI 18 months after treatment demonstrates high T2 signal inside the aneurysm. The low-signal rim was related to aneurysm wall calcification, and the aneurysm size remained unchanged. The patient's visual acuity deteriorated slightly (0.1).