Intracranial stents designed to assist coil embolization of in-tracranial aneurysms have been around for nearly a decade. Yet we know very little about them. The article by Hwang et al in this issue of the American. Journal of Neuroradiology is a valuable contribution to an ongoing controversy, but it raises more questions than it answers. The following important questions need to be addressed properly: When should stents be used, how effective are they, and what price must patients pay in terms of complications? This article has an air of deja vu: How intracranial stents became a part of aneurysm treatment is a typical example of how we have gone about introducing new tools and techniques. We need to do this better to protect patients from our contradictions.
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