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True posterior communicating artery aneurysms: are they more prone to rupture? A biomorphometric analysis
Journal of Neurosurgery, 03/10/2010
He W et al. – The data suggest that true PCoA aneurysms have a larger PCoA relative to the ipsilateral P1 segment. To the authors' knowledge, this represents the first such biomorphometric comparison of these different types of PCoA aneurysms. Although statistically smaller in size, true PCoA aneurysms also have a similar prevalence of presenting as a ruptured aneurysm, suggesting that they might be more prone to rupture than a junctional aneurysms of similar size. Further analysis will be required to determine the biophysical factors affecting rupture rates.
