Gadolinium Enhancement of the Aneurysm Wall in Unruptured Intracranial Aneurysms Is Associated with an Increased Risk of Aneurysm Instability: A Follow-Up Study

^aFrom the Department of Neurology and Neurosurgery (M.D.I.V., D.B., A.A., G.J.E.R.)
^bBrain Center Rudolf Magnus, Department of Radiology (I.C.v.d.S., J.H.)
^cJulius Center for Health Sciences and Primary Care, (G.J.E.R.), University Medical Center Utrecht, Utrecht University, Utrecht, the Netherlands
^dDepartment of General Practice (D.B.), Erasmus Medical Center, Rotterdam, the Netherlands
^eDepartment of Neurology (R.K.), Academic Medical Center, Amsterdam, the Netherlands.

Please address correspondence to Mervyn D.I. Vergouwen, MD, PhD, Department of Neurology and Neurosurgery, Room G3.228, Brain Center Rudolf Magnus, University Medical Center Utrecht, Utrecht University, PO Box 85 500, 3500 GA Utrecht, the Netherlands; e-mail: m.d.i.vergouwen{at}umcutrecht.nl