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Digital subtraction angiography shows a basilar tip saccular aneurysm before treatment with the Pipeline Embolization Device (A). The PED was placed spanning the lower part of the basilar truck into the left posterior cerebral artery. On 4-month follow-up (B), DSA shows complete aneurysm occlusion, along with complete occlusion of the right PCA. The anterior inferior cerebral arteries and superior cerebellar arteries remained patent. The patient remained neurologically intact.
