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Large basilar perforator pseudoaneurysm: A case report

Daruwalla, V. J.; Syed, F. H.; Elmokadem, A. H.; Hurley, M. C.; Shaibani, A.; Ansari, S. A.

Interv Neuroradiol. 2016 Aug 4; 22(6):662-665


Basilar perforator aneurysms are rare and a communication between a basilar perforator and a separate pseudoaneurysm cavity is extremely rare. We describe a case presenting with high grade subarachnoid hemorrhage which on further investigation delineated a 2-3 mm dissecting basilar perforator aneurysm communicating superiorly into a contained 6 mm pseudoaneurysm cavity. This case illustrates an unusual neurovascular pathology with low potential for successful endovascular treatment such as coil embolization or intracranial flow diverter stenting. Conservative medical management remains the main stay of treatment for such poor surgical candidates.

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