=====Aneurisma fusiforme de la arteria vertebral=====
Su historia natural no es clara y no se sabe si es un [[aneurisma disecante]]
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((M izutani T: A fatal, chronically growing basilar artery: a new type of dissecting aneurysm. J Neurosurg 84: 962–971,1996))
((M izutani T, Miki Y, Kojima H, Suzuki H: Proposed classification of nonatherosclerotic cerebral fusiform and dissecting aneurysms. Neurosurgery 45: 253–259; discussion 259–260, 1999))
((Vishteh AG, Spetzler RF: Evolution of a dolichoectatic aneurysm into a giant serpentine aneurysm during long-term follow up. Case illustration. J Neurosurg 91: 346, 1999))
((Y asui T, Komiyama M, Iwai Y, Yamanaka K, Nishikawa M, Morikawa T: Evolution of incidentally-discovered fusiform aneurysms of the vertebrobasilar arterial system: neuroimaging features suggesting progressive aneurysm growth. Neurol Med Chir (Tokyo) 41: 523–527; discussion 528,2001)).