Published ahead of print on November 16, 2007
doi: 10.3174/ajnr.A0877
But Did You Use HydroCoil? Perianeurysmal Edema and Hydrocephalus with Bare Platinum Coils
J.B. Whitea,
H.J. Cloftb and
D.F. Kallmesb
a Departments of Neurological Surgery, Mayo Clinic, Rochester, Minn
b Departments of Radiology, Mayo Clinic, Rochester, Minn

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Fig 1. A, Pre-embolization angiogram showing a large right vertebrobasilar region aneurysm. B, Postembolization angiogram showing the coiled aneurysm with minimal residual neck. C, Axial flare MR image showing edema within the brain stem adjacent to the coiled aneurysm.
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Fig 2. A, Pre-embolization angiogram showing a large basilar apex region aneurysm. B, Postembolization angiogram showing the coiled aneurysm with minimal residual neck. A large posterior communicating artery on the left produces washout of the left posterior cerebral artery. C, Axial flare MR image showing edema within the brain stem adjacent to the coiled aneurysm.
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