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AJNR - American Journal of Neuroradiology

Publication Preview: Published July 2, 2009

American Journal of Neuroradiology 2009;30:1998.

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American Journal of Neuroradiology
DOI 10.3174/ajnr.A1643

INTERVENTIONAL

Symptomatic Perianeurysmal Edema Following Bare Platinum Embolization of a Small Unruptured Cerebral Aneurysm

I. Craven, U.J. Patel, A. Gibson and S.C. Coley

From the Departments of Neuroradiology (I.C., S.C.C.), Neurosurgery (U.J.P.), and Neurology (A.G.), Royal Hallamshire Hospital, Sheffield, UK.

Please address correspondence to S.C. Coley, MD, Consultant Neuroradiologist, Department of Neuroradiology, Royal Hallamshire Hospital, Glossop Rd, Sheffield S10 2JF, United Kingdom; e-mail: stuart.coley{at}sth.nhs.uk

SUMMARY: There is considerable interest in the development of symptomatic inflammatory reactions following coil embolization of cerebral aneurysms. Patients have experienced a range of adverse events, usually after treatment of moderately large aneurysms with modified "bioactive" coils. More recently, it has been recognized that adverse inflammatory reactions can be associated with the use of "nonbioactive" coils, and we present a case of symptomatic perianeurysmal edema after treatment of a small unruptured aneurysm with bare platinum coils.