Commentary

M. Horowitz et al. / Surgical Neurology 66 (2006) 167 – 171 [14] Vallee JN, Pierot L, Bonafe A, et al. Endovascular treatment of intracranial wide-necked aneurysms using three-dimensional coils: predictors of immediate anatomic and clinical results. AJNR Am J Neuroradiol 2004;25:298 - 306. [15] Vanninen R, Koivisto T, Saari T, Hernesniemi J, Vapalahti M. Ruptured intracranial aneurysms: acute endovascular treatment with electrolytically detachable coils—a prospective randomized study. Radiology 1999;211:325 - 36

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reported, although small in number, reflects a growing trend around the world and is in keeping with the experience in other centers. The article does not proclaim coiling to be the best treatment for MCA aneurysms but simply documents that when properly selected, the results are within the range of what can be expected, given the availability of newer endovascular tools and techniques.

Commentary The experience of endovascular treatment of previously bnot good for coilingQ aneurysms is growing in part due to the improvements of the tools now available. The experience

Karel G. TerBrugge, MD Department of Medical Imaging Toronto Western Hospital Toronto, Ontario, Canada M5T 2S8