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AJNR - American Journal of Neuroradiology

Published ahead of print on November 26, 2007
doi: 10.3174/ajnr.A0844

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Contrast Enhancement Hyperdensity After Endovascular Coiling of Intracranial Aneurysms

J.L. Brisman^a, M. Jilani^c and J.S. McKinney^b

^a Departments of Neurosurgery, New Jersey Neuroscience Institute, Edison, NJ
^b Neurology, New Jersey Neuroscience Institute, Edison, NJ
^c Department of Radiology, JFK Medical Center, Edison, NJ

View larger version (43K): [in this window] [in a new window]   Fig 1. A, immediate postembolization noncontrast head CT shows a gyral pattern of enhancement (arrows). B, C, interval resolution of enhancement at 6 hours (B) and 24 hours (C), respectively (arrows).

View larger version (109K): [in this window] [in a new window]   Fig 2. A, B, immediate postembolization noncontrast head CT shows left caudate (A) and gyral (B) enhancement (arrows). C, D, interval improvement of caudate (C) and gyral (D) enhancement at 6 hours (arrows). E, F, resolution of caudate (E) and gyral (F) enhancement at 24 hours.

View larger version (112K): [in this window] [in a new window]   Fig 3. A, immediate postembolization noncontrast head CT shows a gyral pattern of enhancement (arrow). B, noncontrast head CT obtained at presentation without gyral subarachnoid blood in the area of postcoiling enhancement. C,D, interval resolution of enhancement at 6 hours (C) and 24 hours (D), respectively (arrows).