"Fenestration may predispose to basilar artery aneurysm formation, presumably due to abnormal flow dynamics, but the magnitude of risk is inconsistent across studies 1,6,12. Fenestration-associated aneurysms most often occur at the vertebrobasilar junction, followed by the basilar trunk, and are usually saccular in morphology 7. The reported prevalence of aneurysms in cases of basilar fenestration is 7% 3."
Expected headings
"Complications"