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Development of a posterior cerebral artery aneurysm subsequent to occlusion of the contralateral internal carotid artery for giant cavernous aneurysm

Abstract

We report a case of a patient who developed a left posterior cerebral artery aneurysm 5 years after balloon occlusion of the right internal carotid artery for a giant cavernous aneurysm. The location of the new aneurysm was outside of the primary collateral pathways to the contralateral, proximally occluded, anterior circulation, illustrating the complexity of hemodynamic factors contributing to the development of intracranial saccular aneurysms. The appearance of an aneurysm in this setting supports the hypothesis that degenerative factors and hemodynamic stresses are important in the etiology of intracranial aneurysms.

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Wolf, R., Imbesi, S., Galetta, S. et al. Development of a posterior cerebral artery aneurysm subsequent to occlusion of the contralateral internal carotid artery for giant cavernous aneurysm. Neuroradiology 44, 443–446 (2002). https://doi.org/10.1007/s00234-001-0723-5

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  • DOI: https://doi.org/10.1007/s00234-001-0723-5

  • Aneurysm Cerebral Etiology Hemodynamic stress Carotid occlusion